From ac417fb19ffe372115377c1f5eabe6fa6e4b08fe Mon Sep 17 00:00:00 2001
From: Mark Friedrich <exodus4d@users.noreply.github.com>
Date: Sat, 6 Jan 2018 19:51:16 +0100
Subject: [PATCH] - upgraded FatFreeFramework `3.6.1` -> `3.6.2`

---
 app/lib/audit.php                |   6 +-
 app/lib/auth.php                 |  21 +-
 app/lib/base.php                 | 612 ++++++++++++++++++-------------
 app/lib/basket.php               |   2 +-
 app/lib/db/cursor.php            |  12 +-
 app/lib/db/jig.php               |   2 +-
 app/lib/db/jig/mapper.php        |  22 +-
 app/lib/db/jig/session.php       |  13 +-
 app/lib/db/mongo/mapper.php      |  17 +-
 app/lib/db/mongo/session.php     |  13 +-
 app/lib/db/sql.php               | 129 ++++---
 app/lib/db/sql/mapper.php        | 178 +++++----
 app/lib/db/sql/session.php       |  20 +-
 app/lib/image.php                |  18 +-
 app/lib/log.php                  |   2 +-
 app/lib/markdown.php             |  52 ++-
 app/lib/session.php              |  14 +-
 app/lib/smtp.php                 |  26 +-
 app/lib/template.php             |  23 +-
 app/lib/utf.php                  |   2 +-
 app/lib/web.php                  | 150 ++++----
 app/lib/web/geo.php              |   2 +-
 app/lib/web/google/recaptcha.php |  58 +++
 app/lib/web/oauth2.php           |   2 +-
 app/lib/web/openid.php           |   4 +-
 app/lib/web/pingback.php         |  22 +-
 26 files changed, 842 insertions(+), 580 deletions(-)
 create mode 100644 app/lib/web/google/recaptcha.php

diff --git a/app/lib/audit.php b/app/lib/audit.php
index f4075542..0e69b56a 100644
--- a/app/lib/audit.php
+++ b/app/lib/audit.php
@@ -108,7 +108,7 @@ class Audit extends Prefab {
 	**/
 	function isdesktop($agent=NULL) {
 		if (!isset($agent))
-			$agent=Base::instance()->get('AGENT');
+			$agent=Base::instance()->AGENT;
 		return (bool)preg_match('/('.self::UA_Desktop.')/i',$agent) &&
 			!$this->ismobile($agent);
 	}
@@ -120,7 +120,7 @@ class Audit extends Prefab {
 	**/
 	function ismobile($agent=NULL) {
 		if (!isset($agent))
-			$agent=Base::instance()->get('AGENT');
+			$agent=Base::instance()->AGENT;
 		return (bool)preg_match('/('.self::UA_Mobile.')/i',$agent);
 	}
 
@@ -131,7 +131,7 @@ class Audit extends Prefab {
 	**/
 	function isbot($agent=NULL) {
 		if (!isset($agent))
-			$agent=Base::instance()->get('AGENT');
+			$agent=Base::instance()->AGENT;
 		return (bool)preg_match('/('.self::UA_Bot.')/i',$agent);
 	}
 
diff --git a/app/lib/auth.php b/app/lib/auth.php
index 6fd79099..c1e8a570 100644
--- a/app/lib/auth.php
+++ b/app/lib/auth.php
@@ -115,18 +115,27 @@ class Auth {
 	*	@param $pw string
 	**/
 	protected function _ldap($id,$pw) {
-		$dc=@ldap_connect($this->args['dc']);
+		$port=(int)($this->args['port']?:389);
+		$filter=$this->args['filter']=$this->args['filter']?:"uid=".$id;
+		$this->args['attr']=$this->args['attr']?:["uid"];
+		array_walk($this->args['attr'],
+		function($attr)use(&$filter,$id) {
+			$filter=str_ireplace($attr."=*",$attr."=".$id,$filter);});
+		$dc=@ldap_connect($this->args['dc'],$port);
 		if ($dc &&
 			ldap_set_option($dc,LDAP_OPT_PROTOCOL_VERSION,3) &&
 			ldap_set_option($dc,LDAP_OPT_REFERRALS,0) &&
 			ldap_bind($dc,$this->args['rdn'],$this->args['pw']) &&
 			($result=ldap_search($dc,$this->args['base_dn'],
-				'uid='.$id)) &&
+				$filter,$this->args['attr'])) &&
 			ldap_count_entries($dc,$result) &&
 			($info=ldap_get_entries($dc,$result)) &&
+			$info['count']==1 &&
 			@ldap_bind($dc,$info[0]['dn'],$pw) &&
 			@ldap_close($dc)) {
-			return $info[0]['uid'][0]==$id;
+			return in_array($id,(array_map(function($value){return $value[0];},
+				array_intersect_key($info[0],
+					array_flip($this->args['attr'])))),TRUE);
 		}
 		user_error(self::E_LDAP,E_USER_ERROR);
 	}
@@ -160,12 +169,12 @@ class Auth {
 			stream_set_blocking($socket,TRUE);
 			$dialog();
 			$fw=Base::instance();
-			$dialog('EHLO '.$fw->get('HOST'));
+			$dialog('EHLO '.$fw->HOST);
 			if (strtolower($this->args['scheme'])=='tls') {
 				$dialog('STARTTLS');
 				stream_socket_enable_crypto(
 					$socket,TRUE,STREAM_CRYPTO_METHOD_TLS_CLIENT);
-				$dialog('EHLO '.$fw->get('HOST'));
+				$dialog('EHLO '.$fw->HOST);
 			}
 			// Authenticate
 			$dialog('AUTH LOGIN');
@@ -196,7 +205,7 @@ class Auth {
 	**/
 	function basic($func=NULL) {
 		$fw=Base::instance();
-		$realm=$fw->get('REALM');
+		$realm=$fw->REALM;
 		$hdr=NULL;
 		if (isset($_SERVER['HTTP_AUTHORIZATION']))
 			$hdr=$_SERVER['HTTP_AUTHORIZATION'];
diff --git a/app/lib/base.php b/app/lib/base.php
index df49ed60..62fa14fb 100644
--- a/app/lib/base.php
+++ b/app/lib/base.php
@@ -45,13 +45,14 @@ final class Base extends Prefab implements ArrayAccess {
 	//@{ Framework details
 	const
 		PACKAGE='Fat-Free Framework',
-		VERSION='3.6.1-Dev';
+		VERSION='3.6.3-Release';
 	//@}
 
 	//@{ HTTP status codes (RFC 2616)
 	const
 		HTTP_100='Continue',
 		HTTP_101='Switching Protocols',
+		HTTP_103='Early Hints',
 		HTTP_200='OK',
 		HTTP_201='Created',
 		HTTP_202='Accepted',
@@ -185,24 +186,6 @@ final class Base extends Prefab implements ArrayAccess {
 		return $url;
 	}
 
-	/**
-	*	Assemble url from alias name
-	*	@return string
-	*	@param $name string
-	*	@param $params array|string
-	*	@param $query string|array
-	**/
-	function alias($name,$params=[],$query=NULL) {
-		if (!is_array($params))
-			$params=$this->parse($params);
-		if (empty($this->hive['ALIASES'][$name]))
-			user_error(sprintf(self::E_Named,$name),E_USER_ERROR);
-		$url=$this->build($this->hive['ALIASES'][$name],$params);
-		if (is_array($query))
-			$query=http_build_query($query);
-		return $url.($query?('?'.$query):'');
-	}
-
 	/**
 	*	Parse string containing key-value pairs
 	*	@return array
@@ -223,37 +206,53 @@ final class Base extends Prefab implements ArrayAccess {
 		return $out;
 	}
 
+	/**
+	 * cast string variable to php type or constant
+	 * @param $val
+	 * @return mixed
+	 */
+	function cast($val) {
+		if (is_numeric($val))
+			return $val+0;
+		$val=trim($val);
+		if (preg_match('/^\w+$/i',$val) && defined($val))
+			return constant($val);
+		return $val;
+	}
+
 	/**
 	*	Convert JS-style token to PHP expression
 	*	@return string
 	*	@param $str string
 	**/
 	function compile($str) {
-		$fw=$this;
 		return preg_replace_callback(
-			'/(?<!\w)@(\w(?:[\h\w\.\[\]\(]|\->|::)*)/',
-			function($var) use($fw) {
-				return '$'.preg_replace_callback(
-					'/\.(\w+)\(|\.(\w+)|\[((?:[^\[\]]*|(?R))*)\]/',
-					function($expr) use($fw) {
-						return $expr[1]?
-							((function_exists($expr[1])?
-								('.'.$expr[1]):
-								('['.var_export($expr[1],TRUE).']')).'('):
-							('['.
-								(isset($expr[3])?
-									(strlen($expr[3])?
-										var_export(
-											trim($fw->compile($expr[3])),
-											TRUE):
-										''):
-									var_export(ctype_digit($expr[2])?
-										(int)$expr[2]:
-										$expr[2],TRUE)).
-							']');
-					},
-					$var[1]
-				);
+			'/(?<!\w)@(\w+(?:(?:\->|::)\w+)?)'.
+			'((?:\.\w+|\[(?:(?:[^\[\]]*|(?R))*)\]|(?:\->|::)\w+|\()*)/',
+			function($expr) {
+				$str='$'.$expr[1];
+				if (isset($expr[2]))
+					$str.=preg_replace_callback(
+						'/\.(\w+)(\()?|\[((?:[^\[\]]*|(?R))*)\]/',
+						function($sub) {
+							if (empty($sub[2])) {
+								if (ctype_digit($sub[1]))
+									$sub[1]=(int)$sub[1];
+								$out='['.
+									(isset($sub[3])?
+										$this->compile($sub[3]):
+										var_export($sub[1],TRUE)).
+								']';
+							}
+							else
+								$out=function_exists($sub[1])?
+									$sub[0]:
+									('['.var_export($sub[1],TRUE).']'.$sub[2]);
+							return $out;
+						},
+						$expr[2]
+					);
+				return $str;
 			},
 			$str
 		);
@@ -347,14 +346,14 @@ final class Base extends Prefab implements ArrayAccess {
 	*	@param $ttl int
 	**/
 	function set($key,$val,$ttl=0) {
-		$time=time();
+		$time=$this->hive['TIME'];
 		if (preg_match('/^(GET|POST|COOKIE)\b(.+)/',$key,$expr)) {
 			$this->set('REQUEST'.$expr[2],$val);
 			if ($expr[1]=='COOKIE') {
 				$parts=$this->cut($key);
 				$jar=$this->unserialize($this->serialize($this->hive['JAR']));
 				if (isset($_COOKIE[$parts[1]])) {
-					$jar['expire']=strtotime('-1 year');
+					$jar['expire']=0;
 					call_user_func_array('setcookie',
 						array_merge([$parts[1],NULL],$jar));
 				}
@@ -367,7 +366,7 @@ final class Base extends Prefab implements ArrayAccess {
 		}
 		else switch ($key) {
 		case 'CACHE':
-			$val=Cache::instance()->load($val,TRUE);
+			$val=Cache::instance()->load($val);
 			break;
 		case 'ENCODING':
 			ini_set('default_charset',$val);
@@ -443,7 +442,7 @@ final class Base extends Prefab implements ArrayAccess {
 			if ($expr[1]=='COOKIE') {
 				$parts=$this->cut($key);
 				$jar=$this->hive['JAR'];
-				$jar['expire']=strtotime('-1 year');
+				$jar['expire']=0;
 				call_user_func_array('setcookie',
 					array_merge([$parts[1],NULL],$jar));
 				unset($_COOKIE[$parts[1]]);
@@ -563,7 +562,7 @@ final class Base extends Prefab implements ArrayAccess {
 	**/
 	function push($key,$val) {
 		$ref=&$this->ref($key);
-		$ref[] = $val;
+		$ref[]=$val;
 		return $val;
 	}
 
@@ -627,7 +626,8 @@ final class Base extends Prefab implements ArrayAccess {
 		$ref=&$this->ref($key);
 		if (!$ref)
 			$ref=[];
-		$out=array_replace_recursive(is_string($src)?$this->hive[$src]:$src,$ref);
+		$out=array_replace_recursive(
+			is_string($src)?$this->hive[$src]:$src,$ref);
 		if ($keep)
 			$ref=$out;
 		return $out;
@@ -707,7 +707,7 @@ final class Base extends Prefab implements ArrayAccess {
 	**/
 	function camelcase($str) {
 		return preg_replace_callback(
-			'/_(\w)/',
+			'/_(\pL)/u',
 			function($match) {
 				return strtoupper($match[1]);
 			},
@@ -721,7 +721,7 @@ final class Base extends Prefab implements ArrayAccess {
 	*	@param $str string
 	**/
 	function snakecase($str) {
-		return strtolower(preg_replace('/(?!^)[[:upper:]]/','_\0',$str));
+		return strtolower(preg_replace('/(?!^)\p{Lu}/u','_\0',$str));
 	}
 
 	/**
@@ -841,12 +841,11 @@ final class Base extends Prefab implements ArrayAccess {
 	*	@param $tags string
 	**/
 	function clean($arg,$tags=NULL) {
-		$fw=$this;
 		return $this->recursive($arg,
-			function($val) use($fw,$tags) {
+			function($val) use($tags) {
 				if ($tags!='*')
 					$val=trim(strip_tags($val,
-						'<'.implode('><',$fw->split($tags)).'>'));
+						'<'.implode('><',$this->split($tags)).'>'));
 				return trim(preg_replace(
 					'/[\x00-\x08\x0B\x0C\x0E-\x1F]/','',$val));
 			}
@@ -873,9 +872,9 @@ final class Base extends Prefab implements ArrayAccess {
 		// Get formatting rules
 		$conv=localeconv();
 		return preg_replace_callback(
-			'/\{(?P<pos>\d+)\s*(?:,\s*(?P<type>\w+)\s*'.
+			'/\{\s*(?P<pos>\d+)\s*(?:,\s*(?P<type>\w+)\s*'.
 			'(?:,\s*(?P<mod>(?:\w+(?:\s*\{.+?\}\s*,?\s*)?)*)'.
-			'(?:,\s*(?P<prop>.+?))?)?)?\}/',
+			'(?:,\s*(?P<prop>.+?))?)?)?\s*\}/',
 			function($expr) use($args,$conv) {
 				extract($expr);
 				extract($conv);
@@ -884,7 +883,7 @@ final class Base extends Prefab implements ArrayAccess {
 				if (isset($type)) {
 					if (isset($this->hive['FORMATS'][$type]))
 						return $this->call($this->hive['FORMATS'][$type],
-							[$args[$pos],$mod,isset($prop)?$prop:null]);
+							[$args[$pos],isset($mod)?$mod:null,isset($prop)?$prop:null]);
 					switch ($type) {
 						case 'plural':
 							preg_match_all('/(?<tag>\w+)'.
@@ -904,7 +903,7 @@ final class Base extends Prefab implements ArrayAccess {
 										return number_format(
 											$args[$pos],0,'',$thousands_sep);
 									case 'currency':
-										$int=$cstm=false;
+										$int=$cstm=FALSE;
 										if (isset($prop) &&
 											$cstm=!$int=($prop=='int'))
 											$currency_symbol=$prop;
@@ -1016,7 +1015,7 @@ final class Base extends Prefab implements ArrayAccess {
 			$locales[]=$locale;
 		}
 		setlocale(LC_ALL,$locales);
-		return implode(',',$this->languages);
+		return $this->hive['LANGUAGE']=implode(',',$this->languages);
 	}
 
 	/**
@@ -1054,7 +1053,7 @@ final class Base extends Prefab implements ArrayAccess {
 							elseif (!array_key_exists(
 								$key=$prefix.$match['lval'],$lex))
 								$lex[$key]=trim(preg_replace(
-									'/\\\\\h*\r?\n/','',$match['rval']));
+									'/\\\\\h*\r?\n/',"\n",$match['rval']));
 					}
 				}
 		if ($ttl)
@@ -1109,6 +1108,7 @@ final class Base extends Prefab implements ArrayAccess {
 	**/
 	function expire($secs=0) {
 		if (!$this->hive['CLI'] && !headers_sent()) {
+			$secs=(int)$secs;
 			if ($this->hive['PACKAGE'])
 				header('X-Powered-By: '.$this->hive['PACKAGE']);
 			if ($this->hive['XFRAME'])
@@ -1118,7 +1118,7 @@ final class Base extends Prefab implements ArrayAccess {
 			if ($this->hive['VERB']=='GET' && $secs) {
 				$time=microtime(TRUE);
 				header_remove('Pragma');
-				header('Cache-Control: max-age='.(int)$secs);
+				header('Cache-Control: max-age='.$secs);
 				header('Expires: '.gmdate('r',$time+$secs));
 				header('Last-Modified: '.gmdate('r'));
 			}
@@ -1186,10 +1186,11 @@ final class Base extends Prefab implements ArrayAccess {
 			$trace,
 			function($frame) use($debug) {
 				return isset($frame['file']) &&
-					($frame['file']!=__FILE__ || $debug>1) &&
+					($debug>1 ||
+					($frame['file']!=__FILE__ || $debug) &&
 					(empty($frame['function']) ||
 					!preg_match('/^(?:(?:trigger|user)_error|'.
-						'__call|call_user_func)/',$frame['function']));
+						'__call|call_user_func)/',$frame['function'])));
 			}
 		);
 		if (!$format)
@@ -1226,6 +1227,8 @@ final class Base extends Prefab implements ArrayAccess {
 		$prior=$this->hive['ERROR'];
 		$header=$this->status($code);
 		$req=$this->hive['VERB'].' '.$this->hive['PATH'];
+		if ($this->hive['QUERY'])
+			$req.='?'.$this->hive['QUERY'];
 		if (!$text)
 			$text='HTTP '.$code.' ('.$req.')';
 		error_log($text);
@@ -1252,7 +1255,7 @@ final class Base extends Prefab implements ArrayAccess {
 				'beforeroute,afterroute')===FALSE) &&
 			!$prior && !$this->hive['CLI'] && !$this->hive['QUIET'])
 			echo $this->hive['AJAX']?
-				json_encode($this->hive['ERROR']):
+				json_encode(array_diff_key($this->hive['ERROR'],$this->hive['DEBUG']?[]:['trace'=>1])):
 				('<!DOCTYPE html>'.$eol.
 				'<html>'.$eol.
 				'<head>'.
@@ -1267,7 +1270,7 @@ final class Base extends Prefab implements ArrayAccess {
 				'</body>'.$eol.
 				'</html>');
 		if ($this->hive['HALT'])
-			die;
+			die(1);
 	}
 
 	/**
@@ -1318,6 +1321,24 @@ final class Base extends Prefab implements ArrayAccess {
 		return $this->run();
 	}
 
+	/**
+	*	Assemble url from alias name
+	*	@return string
+	*	@param $name string
+	*	@param $params array|string
+	*	@param $query string|array
+	**/
+	function alias($name,$params=[],$query=NULL) {
+		if (!is_array($params))
+			$params=$this->parse($params);
+		if (empty($this->hive['ALIASES'][$name]))
+			user_error(sprintf(self::E_Named,$name),E_USER_ERROR);
+		$url=$this->build($this->hive['ALIASES'][$name],$params);
+		if (is_array($query))
+			$query=http_build_query($query);
+		return $url.($query?('?'.$query):'');
+	}
+
 	/**
 	*	Bind handler to route pattern
 	*	@return NULL
@@ -1334,8 +1355,8 @@ final class Base extends Prefab implements ArrayAccess {
 				$this->route($item,$handler,$ttl,$kbps);
 			return;
 		}
-		preg_match('/([\|\w]+)\h+(?:(?:@(\w+)\h*:\h*)?(@(\w+)|[^\h]+))'.
-			'(?:\h+\[('.implode('|',$types).')\])?/',$pattern,$parts);
+		preg_match('/([\|\w]+)\h+(?:(?:@?(.+?)\h*:\h*)?(@(\w+)|[^\h]+))'.
+			'(?:\h+\[('.implode('|',$types).')\])?/u',$pattern,$parts);
 		if (isset($parts[2]) && $parts[2])
 			$this->hive['ALIASES'][$alias=$parts[2]]=$parts[3];
 		elseif (!empty($parts[4])) {
@@ -1359,17 +1380,17 @@ final class Base extends Prefab implements ArrayAccess {
 	*	@return NULL
 	*	@param $url array|string
 	*	@param $permanent bool
+	*	@param $die bool
 	**/
-	function reroute($url=NULL,$permanent=FALSE) {
+	function reroute($url=NULL,$permanent=FALSE,$die=TRUE) {
 		if (!$url)
 			$url=$this->hive['REALM'];
 		if (is_array($url))
 			$url=call_user_func_array([$this,'alias'],$url);
-		elseif (preg_match('/^(?:@(\w+)(?:(\(.+?)\))*(\?.+)*)/',$url,$parts)) {
-			if (empty($this->hive['ALIASES'][$parts[1]]))
-				user_error(sprintf(self::E_Named,$parts[1]),E_USER_ERROR);
+		elseif (preg_match('/^(?:@?([^\/()?]+)(?:(\(.+?)\))*(\?.+)*)/',
+			$url,$parts) &&
+			isset($this->hive['ALIASES'][$parts[1]]))
 			$url=$this->hive['ALIASES'][$parts[1]];
-		}
 		$url=$this->build($url,isset($parts[2])?$this->parse($parts[2]):[]).
 			(isset($parts[3])?$parts[3]:'');
 		if (($handler=$this->hive['ONREROUTE']) &&
@@ -1377,16 +1398,18 @@ final class Base extends Prefab implements ArrayAccess {
 			return;
 		if ($url[0]=='/' && (empty($url[1]) || $url[1]!='/')) {
 			$port=$this->hive['PORT'];
-			$port=in_array($port,[80,443])?'':':'.$port;
+			$port=in_array($port,[80,443])?'':(':'.$port);
 			$url=$this->hive['SCHEME'].'://'.
 				$this->hive['HOST'].$port.$this->hive['BASE'].$url;
 		}
-		if (!$this->hive['CLI']) {
+		if ($this->hive['CLI'])
+			$this->mock('GET '.$url.' [cli]');
+		else {
 			header('Location: '.$url);
 			$this->status($permanent?301:302);
-			die;
+			if ($die)
+				die;
 		}
-		$this->mock('GET '.$url.' [cli]');
 	}
 
 	/**
@@ -1513,12 +1536,15 @@ final class Base extends Prefab implements ArrayAccess {
 		$this->hive['ROUTES']=array_combine($keys,$vals);
 		// Convert to BASE-relative URL
 		$req=urldecode($this->hive['PATH']);
+		$preflight=FALSE;
 		if ($cors=(isset($this->hive['HEADERS']['Origin']) &&
 			$this->hive['CORS']['origin'])) {
 			$cors=$this->hive['CORS'];
 			header('Access-Control-Allow-Origin: '.$cors['origin']);
 			header('Access-Control-Allow-Credentials: '.
-				($cors['credentials']?'true':'false'));
+				var_export($cors['credentials'],TRUE));
+			$preflight=
+				isset($this->hive['HEADERS']['Access-Control-Request-Method']);
 		}
 		$allowed=[];
 		foreach ($this->hive['ROUTES'] as $pattern=>$routes) {
@@ -1532,7 +1558,7 @@ final class Base extends Prefab implements ArrayAccess {
 				$route=$routes[$ptr];
 			if (!$route)
 				continue;
-			if (isset($route[$this->hive['VERB']])) {
+			if (isset($route[$this->hive['VERB']]) && !$preflight) {
 				if ($this->hive['VERB']=='GET' &&
 					preg_match('/.+\/$/',$this->hive['PATH']))
 					$this->reroute(substr($this->hive['PATH'],0,-1).
@@ -1597,7 +1623,7 @@ final class Base extends Prefab implements ArrayAccess {
 						$this->hive['BODY']=file_get_contents('php://input');
 					ob_start();
 					// Call route handler
-					$result=$this->call($handler,[$this,$args],
+					$result=$this->call($handler,[$this,$args,$handler],
 						'beforeroute,afterroute');
 					$body=ob_get_clean();
 					if (isset($cache) && !error_get_last()) {
@@ -1697,12 +1723,13 @@ final class Base extends Prefab implements ArrayAccess {
 	function abort() {
 		if (!headers_sent() && session_status()!=PHP_SESSION_ACTIVE)
 			session_start();
-		session_commit();
 		$out='';
 		while (ob_get_level())
 			$out=ob_get_clean().$out;
+		header('Content-Encoding: none');
 		header('Content-Length: '.strlen($out));
 		header('Connection: close');
+		session_commit();
 		echo $out;
 		flush();
 		if (function_exists('fastcgi_finish_request'))
@@ -1818,46 +1845,51 @@ final class Base extends Prefab implements ArrayAccess {
 	*	Configure framework according to .ini-style file settings;
 	*	If optional 2nd arg is provided, template strings are interpreted
 	*	@return object
-	*	@param $file string
+	*	@param $source string|array
 	*	@param $allow bool
 	**/
-	function config($file,$allow=FALSE) {
-		preg_match_all(
-			'/(?<=^|\n)(?:'.
-				'\[(?<section>.+?)\]|'.
-				'(?<lval>[^\h\r\n;].*?)\h*=\h*'.
-				'(?<rval>(?:\\\\\h*\r?\n|.+?)*)'.
-			')(?=\r?\n|$)/',
-			$this->read($file),
-			$matches,PREG_SET_ORDER);
-		if ($matches) {
-			$sec='globals';
-			$cmd=[];
-			foreach ($matches as $match) {
-				if ($match['section']) {
-					$sec=$match['section'];
-					if (preg_match(
-						'/^(?!(?:global|config|route|map|redirect)s\b)'.
-						'((?:\.?\w)+)/i',$sec,$msec) &&
-						!$this->exists($msec[0]))
-						$this->set($msec[0],NULL);
-					preg_match('/^(config|route|map|redirect)s\b|'.
-						'^((?:\.?\w)+)\s*\>\s*(.*)/i',$sec,$cmd);
-				}
-				else {
-					if ($allow) {
-						$match['lval']=Preview::instance()->
-							resolve($match['lval']);
-						$match['rval']=Preview::instance()->
-							resolve($match['rval']);
+	function config($source,$allow=FALSE) {
+		if (is_string($source))
+			$source=$this->split($source);
+		if ($allow)
+			$preview=Preview::instance();
+		foreach ($source as $file) {
+			preg_match_all(
+				'/(?<=^|\n)(?:'.
+					'\[(?<section>.+?)\]|'.
+					'(?<lval>[^\h\r\n;].*?)\h*=\h*'.
+					'(?<rval>(?:\\\\\h*\r?\n|.+?)*)'.
+				')(?=\r?\n|$)/',
+				$this->read($file),
+				$matches,PREG_SET_ORDER);
+			if ($matches) {
+				$sec='globals';
+				$cmd=[];
+				foreach ($matches as $match) {
+					if ($match['section']) {
+						$sec=$match['section'];
+						if (preg_match(
+							'/^(?!(?:global|config|route|map|redirect)s\b)'.
+							'((?:\.?\w)+)/i',$sec,$msec) &&
+							!$this->exists($msec[0]))
+							$this->set($msec[0],NULL);
+						preg_match('/^(config|route|map|redirect)s\b|'.
+							'^((?:\.?\w)+)\s*\>\s*(.*)/i',$sec,$cmd);
+						continue;
 					}
+					if ($allow)
+						foreach (['lval','rval'] as $ndx)
+							$match[$ndx]=$preview->
+								resolve($match[$ndx],NULL,0,FALSE,FALSE);
 					if (!empty($cmd)) {
-						(isset($cmd[3])) ?
-						$this->call($cmd[3],[$match['lval'],$match['rval'],$cmd[2]])
-						: call_user_func_array(
+						isset($cmd[3])?
+						$this->call($cmd[3],
+							[$match['lval'],$match['rval'],$cmd[2]]):
+						call_user_func_array(
 							[$this,$cmd[1]],
 							array_merge([$match['lval']],
-								str_getcsv($match['rval'])));
+								str_getcsv($this->cast($match['rval'])))
+						);
 					}
 					else {
 						$rval=preg_replace(
@@ -1869,16 +1901,14 @@ final class Base extends Prefab implements ArrayAccess {
 						}
 						$args=array_map(
 							function($val) {
-								if (is_numeric($val))
-									return $val+0;
-								$val=trim($val);
-								if (preg_match('/^\w+$/i',$val) &&
-									defined($val))
-									return constant($val);
-								return preg_replace('/\\\\"/','"',$val);
+								$val=$this->cast($val);
+								return is_string($val)
+									? preg_replace('/\\\\"/','"',$val)
+									: $val;
 							},
 							// Mark quoted strings with 0x00 whitespace
-							str_getcsv(preg_replace('/(?<!\\\\)(")(.*?)\1/',
+							str_getcsv(preg_replace(
+								'/(?<!\\\\)(")(.*?)\1/',
 								"\\1\x00\\2\\1",trim($rval)))
 						);
 						preg_match('/^(?<section>[^:]+)(?:\:(?<func>.+))?/',
@@ -2123,8 +2153,10 @@ final class Base extends Prefab implements ArrayAccess {
 	*	@param $key string
 	*	@param $args array
 	**/
-	function __call($key,$args) {
-		return call_user_func_array($this->get($key),$args);
+	function __call($key,array $args) {
+		if ($this->exists($key,$val))
+			return call_user_func_array($val,$args);
+		user_error(sprintf(self::E_Method,$key),E_USER_ERROR);
 	}
 
 	//! Prohibit cloning
@@ -2143,20 +2175,19 @@ final class Base extends Prefab implements ArrayAccess {
 		@ini_set('register_globals',0);
 		// Intercept errors/exceptions; PHP5.3-compatible
 		$check=error_reporting((E_ALL|E_STRICT)&~(E_NOTICE|E_USER_NOTICE));
-		$fw=$this;
 		set_exception_handler(
-			function($obj) use($fw) {
-				$fw->hive['EXCEPTION']=$obj;
-				$fw->error(500,
+			function($obj) {
+				$this->hive['EXCEPTION']=$obj;
+				$this->error(500,
 					$obj->getmessage().' '.
 					'['.$obj->getFile().':'.$obj->getLine().']',
 					$obj->gettrace());
 			}
 		);
 		set_error_handler(
-			function($level,$text) use($fw) {
+			function($level,$text,$file,$line) {
 				if ($level & error_reporting())
-					$fw->error(500,$text,NULL,$level);
+					$this->error(500,$text,NULL,$level);
 			}
 		);
 		if (!isset($_SERVER['SERVER_NAME']))
@@ -2168,23 +2199,28 @@ final class Base extends Prefab implements ArrayAccess {
 				$_SERVER['argc']++;
 				$_SERVER['argv'][1]='/';
 			}
-			if (substr($_SERVER['argv'][1],0,1)=='/')
-				$_SERVER['REQUEST_URI']=$_SERVER['argv'][1];
-			else {
-				$req=$opts='';
+			$req=$query='';
+			if (substr($_SERVER['argv'][1],0,1)=='/') {
+				$req=$_SERVER['argv'][1];
+				$query=parse_url($req,PHP_URL_QUERY);
+			} else {
 				foreach($_SERVER['argv'] as $i=>$arg) {
 					if (!$i) continue;
 					if (preg_match('/^\-(\-)?(\w+)(?:\=(.*))?$/',$arg,$m)) {
 						foreach($m[1]?[$m[2]]:str_split($m[2]) as $k)
-							$opts.=($opts?'&':'').$k.'=';
+							$query.=($query?'&':'').urlencode($k).'=';
 						if (isset($m[3]))
-							$opts.=$m[3];
+							$query.=urlencode($m[3]);
 					} else
 						$req.='/'.$arg;
 				}
-				$_SERVER['REQUEST_URI']=($req?:'/').'?'.urlencode($opts);
-				parse_str($opts,$GLOBALS['_GET']);
+				if (!$req)
+					$req='/';
+				if ($query)
+					$req.='?'.$query;
 			}
+			$_SERVER['REQUEST_URI']=$req;
+			parse_str($query,$GLOBALS['_GET']);
 		}
 		$headers=[];
 		if (!$cli) {
@@ -2229,20 +2265,23 @@ final class Base extends Prefab implements ArrayAccess {
 		if (!$cli)
 			$base=rtrim($this->fixslashes(
 				dirname($_SERVER['SCRIPT_NAME'])),'/');
-		$uri=parse_url($_SERVER['REQUEST_URI']);
+		$uri=parse_url((preg_match('/^\w+:\/\//',$_SERVER['REQUEST_URI'])?'':
+			'//'.$_SERVER['SERVER_NAME']).$_SERVER['REQUEST_URI']);
+		$_SERVER['REQUEST_URI']=$uri['path'].
+			(isset($uri['query'])?'?'.$uri['query']:'').
+			(isset($uri['fragment'])?'#'.$uri['fragment']:'');
 		$path=preg_replace('/^'.preg_quote($base,'/').'/','',$uri['path']);
 		session_cache_limiter('');
-		call_user_func_array('session_set_cookie_params',
-			$jar=[
-				'expire'=>0,
-				'path'=>$base?:'/',
-				'domain'=>is_int(strpos($_SERVER['SERVER_NAME'],'.')) &&
-					!filter_var($_SERVER['SERVER_NAME'],FILTER_VALIDATE_IP)?
-					$_SERVER['SERVER_NAME']:'',
-				'secure'=>($scheme=='https'),
-				'httponly'=>TRUE
-			]
-		);
+		$jar=[
+			'expire'=>0,
+			'path'=>$base?:'/',
+			'domain'=>is_int(strpos($_SERVER['SERVER_NAME'],'.')) &&
+				!filter_var($_SERVER['SERVER_NAME'],FILTER_VALIDATE_IP)?
+				$_SERVER['SERVER_NAME']:'',
+			'secure'=>($scheme=='https'),
+			'httponly'=>TRUE
+		];
+		call_user_func_array('session_set_cookie_params',$jar);
 		$port=80;
 		if (isset($headers['X-Forwarded-Port']))
 			$port=$headers['X-Forwarded-Port'];
@@ -2290,6 +2329,7 @@ final class Base extends Prefab implements ArrayAccess {
 				$this->fallback,
 			'LOCALES'=>'./',
 			'LOGS'=>'./',
+			'MB'=>extension_loaded('mbstring'),
 			'ONERROR'=>NULL,
 			'ONREROUTE'=>NULL,
 			'PACKAGE'=>self::PACKAGE,
@@ -2376,7 +2416,7 @@ class Cache extends Prefab {
 		switch ($parts[0]) {
 			case 'apc':
 			case 'apcu':
-				$raw=apc_fetch($ndx);
+				$raw=call_user_func($parts[0].'_fetch',$ndx);
 				break;
 			case 'redis':
 				$raw=$this->ref->get($ndx);
@@ -2427,9 +2467,9 @@ class Cache extends Prefab {
 		switch ($parts[0]) {
 			case 'apc':
 			case 'apcu':
-				return apc_store($ndx,$data,$ttl);
+				return call_user_func($parts[0].'_store',$ndx,$data,$ttl);
 			case 'redis':
-				return $this->ref->set($ndx,$data, $ttl ? ['ex'=>$ttl] : []);
+				return $this->ref->set($ndx,$data,$ttl?['ex'=>$ttl]:[]);
 			case 'memcache':
 				return memcache_set($this->ref,$ndx,$data,0,$ttl);
 			case 'memcached':
@@ -2439,7 +2479,7 @@ class Cache extends Prefab {
 			case 'xcache':
 				return xcache_set($ndx,$data,$ttl);
 			case 'folder':
-				return $fw->write($parts[1].$ndx,$data);
+				return $fw->write($parts[1].str_replace(['/','\\'],'',$ndx),$data);
 		}
 		return FALSE;
 	}
@@ -2466,7 +2506,7 @@ class Cache extends Prefab {
 		switch ($parts[0]) {
 			case 'apc':
 			case 'apcu':
-				return apc_delete($ndx);
+				return call_user_func($parts[0].'_delete',$ndx);
 			case 'redis':
 				return $this->ref->del($ndx);
 			case 'memcache':
@@ -2491,31 +2531,28 @@ class Cache extends Prefab {
 	function reset($suffix=NULL) {
 		if (!$this->dsn)
 			return TRUE;
-		$regex='/'.preg_quote($this->prefix.'.','/').'.+'.
+		$regex='/'.preg_quote($this->prefix.'.','/').'.*'.
 			preg_quote($suffix,'/').'/';
 		$parts=explode('=',$this->dsn,2);
 		switch ($parts[0]) {
 			case 'apc':
 			case 'apcu':
-				$info=apc_cache_info('user');
+				$info=call_user_func($parts[0].'_cache_info',
+					$parts[0]=='apcu'?FALSE:'user');
 				if (!empty($info['cache_list'])) {
 					$key=array_key_exists('info',
 						$info['cache_list'][0])?'info':'key';
-					$mtkey=array_key_exists('mtime',$info['cache_list'][0])?
-						'mtime':'modification_time';
 					foreach ($info['cache_list'] as $item)
 						if (preg_match($regex,$item[$key]))
-							apc_delete($item[$key]);
+							call_user_func($parts[0].'_delete',$item[$key]);
 				}
 				return TRUE;
 			case 'redis':
-				$fw=Base::instance();
 				$keys=$this->ref->keys($this->prefix.'.*'.$suffix);
 				foreach($keys as $key)
 					$this->ref->del($key);
 				return TRUE;
 			case 'memcache':
-				$fw=Base::instance();
 				foreach (memcache_get_extended_stats(
 					$this->ref,'slabs') as $slabs)
 					foreach (array_filter(array_keys($slabs),'is_numeric')
@@ -2528,8 +2565,7 @@ class Cache extends Prefab {
 										memcache_delete($this->ref,$key);
 				return TRUE;
 			case 'memcached':
-				$fw=Base::instance();
-				foreach ($this->ref->getallkeys() as $key)
+				foreach ($this->ref->getallkeys()?:[] as $key)
 					if (preg_match($regex,$key))
 						$this->ref->delete($key);
 				return TRUE;
@@ -2540,7 +2576,16 @@ class Cache extends Prefab {
 						wincache_ucache_delete($item['key_name']);
 				return TRUE;
 			case 'xcache':
-				xcache_unset_by_prefix($this->prefix.'.');
+				if ($suffix && !ini_get('xcache.admin.enable_auth')) {
+					$cnt=xcache_count(XC_TYPE_VAR);
+					for ($i=0;$i<$cnt;$i++) {
+						$list=xcache_list(XC_TYPE_VAR,$i);
+						foreach ($list['cache_list'] as $item)
+							if (preg_match($regex,$item['name']))
+								xcache_unset($item['name']);
+					}
+				} else
+					xcache_unset_by_prefix($this->prefix.'.');
 				return TRUE;
 			case 'folder':
 				if ($glob=@glob($parts[1].'*'))
@@ -2556,8 +2601,9 @@ class Cache extends Prefab {
 	*	Load/auto-detect cache backend
 	*	@return string
 	*	@param $dsn bool|string
+	*	@param $seed bool|string
 	**/
-	function load($dsn) {
+	function load($dsn,$seed=NULL) {
 		$fw=Base::instance();
 		if ($dsn=trim($dsn)) {
 			if (preg_match('/^redis=(.+)/',$dsn,$parts) &&
@@ -2592,18 +2638,17 @@ class Cache extends Prefab {
 						// Auto-detect
 						current($grep):
 						// Use filesystem as fallback
-						('folder='.$fw->get('TEMP').'cache/');
+						('folder='.$fw->TEMP.'cache/');
 			if (preg_match('/^folder\h*=\h*(.+)/',$dsn,$parts) &&
 				!is_dir($parts[1]))
 				mkdir($parts[1],Base::MODE,TRUE);
 		}
-		$this->prefix=$fw->get('SEED');
+		$this->prefix=$seed?:$fw->SEED;
 		return $this->dsn=$dsn;
 	}
 
 	/**
 	*	Class constructor
-	*	@return object
 	*	@param $dsn bool|string
 	**/
 	function __construct($dsn=FALSE) {
@@ -2616,10 +2661,14 @@ class Cache extends Prefab {
 //! View handler
 class View extends Prefab {
 
+	private
+		//! Temporary hive
+		$temp;
+
 	protected
 		//! Template file
-		$view,
-		//! post-rendering handler
+		$file,
+		//! Post-rendering handler
 		$trigger,
 		//! Nesting level
 		$level=0;
@@ -2652,24 +2701,6 @@ class View extends Prefab {
 		);
 	}
 
-	/**
-	*	Send resource to browser using HTTP/2 server push
-	*	@return string
-	*	@param $file string
-	**/
-	function push($file) {
-		$fw=Base::instance();
-		$hive=$fw->hive();
-		if ($hive['SCHEME']=='https') {
-			$base='';
-			if (!preg_match('/^[.\/]/',$file))
-				$base=$hive['BASE'].'/';
-			if (preg_match('/'.$key.'$/',$file))
-				header('Link: '.'<'.$base.$file.'>; '.'rel=preload',FALSE);
-		}
-		return $file;
-	}
-
 	/**
 	*	Create sandbox for template execution
 	*	@return string
@@ -2684,20 +2715,22 @@ class View extends Prefab {
 			$hive=$fw->hive();
 		}
 		if ($this->level<1 || $implicit) {
-			if (!$hive['CLI'] && !headers_sent() &&
+			if (!$fw->CLI && $mime && !headers_sent() &&
 				!preg_grep ('/^Content-Type:/',headers_list()))
-				header('Content-Type: '.($mime?:'text/html').'; '.
-					'charset='.$fw->get('ENCODING'));
-			if ($fw->get('ESCAPE'))
+				header('Content-Type: '.$mime.'; '.
+					'charset='.$fw->ENCODING);
+			if ($fw->ESCAPE)
 				$hive=$this->esc($hive);
 			if (isset($hive['ALIASES']))
 				$hive['ALIASES']=$fw->build($hive['ALIASES']);
 		}
-		extract($hive);
+		$this->temp=$hive;
 		unset($fw,$hive,$implicit,$mime);
+		extract($this->temp);
+		$this->temp=NULL;
 		$this->level++;
 		ob_start();
-		require($this->view);
+		require($this->file);
 		$this->level--;
 		return ob_get_clean();
 	}
@@ -2710,21 +2743,21 @@ class View extends Prefab {
 	*	@param $hive array
 	*	@param $ttl int
 	**/
-	function render($file,$mime=NULL,array $hive=NULL,$ttl=0) {
+	function render($file,$mime='text/html',array $hive=NULL,$ttl=0) {
 		$fw=Base::instance();
 		$cache=Cache::instance();
-		if ($cache->exists($hash=$fw->hash($file),$data))
-			return $data;
-		foreach ($fw->split($fw->get('UI')) as $dir)
-			if (is_file($this->view=$fw->fixslashes($dir.$file))) {
+		foreach ($fw->split($fw->UI) as $dir)
+			if ($cache->exists($hash=$fw->hash($dir.$file),$data))
+				return $data;
+			if (is_file($this->file=$fw->fixslashes($dir.$file))) {
 				if (isset($_COOKIE[session_name()]) &&
 					!headers_sent() && session_status()!=PHP_SESSION_ACTIVE)
 					session_start();
 				$fw->sync('SESSION');
 				$data=$this->sandbox($hive,$mime);
-				if(isset($this->trigger['afterrender']))
+				if (isset($this->trigger['afterrender']))
 					foreach($this->trigger['afterrender'] as $func)
-						$data=$fw->call($func,$data);
+						$data=$fw->call($func,[$data, $dir.$file]);
 				if ($ttl)
 					$cache->set($hash,$data,$ttl);
 				return $data;
@@ -2748,29 +2781,57 @@ class Preview extends View {
 	protected
 		//! token filter
 		$filter=[
+			'c'=>'$this->c',
 			'esc'=>'$this->esc',
 			'raw'=>'$this->raw',
-			'push'=>'$this->push',
-			'alias'=>'\Base::instance()->alias',
-			'format'=>'\Base::instance()->format'
+			'alias'=>'Base::instance()->alias',
+			'format'=>'Base::instance()->format'
 		];
 
+	protected
+		//! newline interpolation
+		$interpolation=true;
+
+	/**
+	 * enable/disable markup parsing interpolation
+	 * mainly used for adding appropriate newlines
+	 * @param $bool bool
+	 */
+	function interpolation($bool) {
+		$this->interpolation=$bool;
+	}
+
+	/**
+	*	Return C-locale equivalent of number
+	*	@return string
+	*	@param $val int|float
+	**/
+	function c($val) {
+		$fw=Base::instance();
+		$locale=setlocale(LC_NUMERIC,0);
+		setlocale(LC_NUMERIC,'C');
+		$out=(string)(float)$val;
+		$locale=setlocale(LC_NUMERIC,$locale);
+		return $out;
+	}
+
 	/**
 	*	Convert token to variable
 	*	@return string
 	*	@param $str string
 	**/
 	function token($str) {
+		$fw = Base::instance();
 		$str=trim(preg_replace('/\{\{(.+?)\}\}/s',trim('\1'),
-			Base::instance()->compile($str)));
+			$fw->compile($str)));
 		if (preg_match('/^(.+)(?<!\|)\|((?:\h*\w+(?:\h*[,;]?))+)$/s',
 			$str,$parts)) {
 			$str=trim($parts[1]);
-			foreach (Base::instance()->split($parts[2]) as $func)
+			foreach ($fw->split($parts[2]) as $func)
 				$str=is_string($cmd=$this->filter($func))?
 					$cmd.'('.$str.')':
-					'\Base::instance()->call('.
-						'$this->filter(\''.$func.'\'),['.$str.'])';
+					'Base::instance()->'.
+					'call($this->filter(\''.$func.'\'),['.$str.'])';
 		}
 		return $str;
 	}
@@ -2784,6 +2845,7 @@ class Preview extends View {
 	function filter($key=NULL,$func=NULL) {
 		if (!$key)
 			return array_keys($this->filter);
+		$key=strtolower($key);
 		if (!$func)
 			return $this->filter[$key];
 		$this->filter[$key]=$func;
@@ -2795,41 +2857,89 @@ class Preview extends View {
 	*	@param $node string
 	**/
 	protected function build($node) {
-		$self=$this;
 		return preg_replace_callback(
-			'/\{\-(.+?)\-\}|\{\{(.+?)\}\}(\n+)?|(\{\*.*?\*\})/s',
-			function($expr) use($self) {
+			'/\{~(.+?)~\}|\{\*(.+?)\*\}|\{\-(.+?)\-\}|'.
+			'\{\{(.+?)\}\}((\r?\n)*)/s',
+			function($expr) {
 				if ($expr[1])
-					return $expr[1];
-				$str=trim($self->token($expr[2]));
-				return empty($expr[4])?
-					('<?php echo '.$str.'; ?>'.
-					(isset($expr[3])?$expr[3]."\n":'')):
-					'';
+					$str='<?php '.$this->token($expr[1]).' ?>';
+				elseif ($expr[2])
+					return '';
+				elseif ($expr[3])
+					$str=$expr[3];
+				else {
+					$str='<?= ('.trim($this->token($expr[4])).')'.
+						($this->interpolation?
+							(!empty($expr[6])?'."'.$expr[6].'"':''):'').' ?>';
+					if (isset($expr[5]))
+						$str.=$expr[5];
+				}
+				return $str;
 			},
-			preg_replace_callback(
-				'/\{~(.+?)~\}/s',
-				function($expr) use($self) {
-					return '<?php '.$self->token($expr[1]).' ?>';
-				},
-				$node
-			)
+			$node
 		);
 	}
 
 	/**
 	*	Render template string
 	*	@return string
-	*	@param $str string
+	*	@param $node string|array
 	*	@param $hive array
+	*	@param $ttl int
+	*	@param $persist bool
+	*	@param $escape bool
 	**/
-	function resolve($str,array $hive=NULL) {
-		if (!$hive)
-			$hive=\Base::instance()->hive();
-		extract($hive);
-		ob_start();
-		eval(' ?>'.$this->build($str).'<?php ');
-		return ob_get_clean();
+	function resolve($node,array $hive=NULL,$ttl=0,$persist=FALSE,$escape=NULL) {
+		$fw=Base::instance();
+		$cache=Cache::instance();
+		if ($escape!==NULL) {
+			$esc=$fw->ESCAPE;
+			$fw->ESCAPE=$escape;
+		}
+		if ($ttl || $persist)
+			$hash=$fw->hash($fw->serialize($node));
+		if ($ttl && $cache->exists($hash,$data))
+			return $data;
+		if ($persist) {
+			if (!is_dir($tmp=$fw->TEMP))
+				mkdir($tmp,Base::MODE,TRUE);
+			if (!is_file($this->file=($tmp.
+				$fw->SEED.'.'.$hash.'.php')))
+				$fw->write($this->file,$this->build($node));
+			if (isset($_COOKIE[session_name()]) &&
+				!headers_sent() && session_status()!=PHP_SESSION_ACTIVE)
+				session_start();
+			$fw->sync('SESSION');
+			$data=$this->sandbox($hive);
+		}
+		else {
+			if (!$hive)
+				$hive=$fw->hive();
+			if ($fw->ESCAPE)
+				$hive=$this->esc($hive);
+			extract($hive);
+			unset($hive);
+			ob_start();
+			eval(' ?>'.$this->build($node).'<?php ');
+			$data=ob_get_clean();
+		}
+		if ($ttl)
+			$cache->set($hash,$data,$ttl);
+		if ($escape!==NULL)
+			$fw->ESCAPE=$esc;
+		return $data;
+	}
+
+	/**
+	 *	Parse template string
+	 *	@return string
+	 *	@param $text string
+	 **/
+	function parse($text) {
+		// Remove PHP code and comments
+		return preg_replace(
+			'/\h*<\?(?!xml)(?:php|\s*=)?.+?\?>\h*|'.
+			'\{\*.+?\*\}/is','', $text);
 	}
 
 	/**
@@ -2840,26 +2950,24 @@ class Preview extends View {
 	*	@param $hive array
 	*	@param $ttl int
 	**/
-	function render($file,$mime=NULL,array $hive=NULL,$ttl=0) {
+	function render($file,$mime='text/html',array $hive=NULL,$ttl=0) {
 		$fw=Base::instance();
 		$cache=Cache::instance();
-		if (!is_dir($tmp=$fw->get('TEMP')))
+		if (!is_dir($tmp=$fw->TEMP))
 			mkdir($tmp,Base::MODE,TRUE);
-		foreach ($fw->split($fw->get('UI')) as $dir) {
+		foreach ($fw->split($fw->UI) as $dir) {
 			if ($cache->exists($hash=$fw->hash($dir.$file),$data))
 				return $data;
 			if (is_file($view=$fw->fixslashes($dir.$file))) {
-				if (!is_file($this->view=($tmp.
-					$fw->get('SEED').'.'.$fw->hash($view).'.php')) ||
-					filemtime($this->view)<filemtime($view)) {
-					// Remove PHP code and comments
-					$text=preg_replace(
-						'/\h*<\?(?!xml)(?:php|\s*=)?.+?\?>\h*'.
-						'|\{\*.+?\*\}/is','',
-						$fw->read($view));
-					if (method_exists($this,'parse'))
-						$text=$this->parse($text);
-					$fw->write($this->view,$this->build($text));
+				if (!is_file($this->file=($tmp.
+					$fw->SEED.'.'.$fw->hash($view).'.php')) ||
+					filemtime($this->file)<filemtime($view)) {
+					$contents=$fw->read($view);
+					if (isset($this->trigger['beforerender']))
+						foreach ($this->trigger['beforerender'] as $func)
+							$contents=$fw->call($func, [$contents, $view]);
+					$text=$this->parse($contents);
+					$fw->write($this->file,$this->build($text));
 				}
 				if (isset($_COOKIE[session_name()]) &&
 					!headers_sent() && session_status()!=PHP_SESSION_ACTIVE)
@@ -2868,7 +2976,7 @@ class Preview extends View {
 				$data=$this->sandbox($hive,$mime);
 				if(isset($this->trigger['afterrender']))
 					foreach ($this->trigger['afterrender'] as $func)
-						$data = $fw->call($func, $data);
+						$data=$fw->call($func, [$data, $view]);
 				if ($ttl)
 					$cache->set($hash,$data,$ttl);
 				return $data;
@@ -2877,6 +2985,14 @@ class Preview extends View {
 		user_error(sprintf(Base::E_Open,$file),E_USER_ERROR);
 	}
 
+	/**
+	 *	post rendering handler
+	 *	@param $func callback
+	 */
+	function beforerender($func) {
+		$this->trigger['beforerender'][]=$func;
+	}
+
 }
 
 //! ISO language/country codes
diff --git a/app/lib/basket.php b/app/lib/basket.php
index 20a01b74..f939c7cd 100644
--- a/app/lib/basket.php
+++ b/app/lib/basket.php
@@ -193,7 +193,7 @@ class Basket extends Magic {
 	**/
 	function copyfrom($var) {
 		if (is_string($var))
-			$var=\Base::instance()->get($var);
+			$var=\Base::instance()->$var;
 		foreach ($var as $key=>$val)
 			$this->set($key,$val);
 	}
diff --git a/app/lib/db/cursor.php b/app/lib/db/cursor.php
index b844e90c..6edbc0e0 100644
--- a/app/lib/db/cursor.php
+++ b/app/lib/db/cursor.php
@@ -143,24 +143,26 @@ abstract class Cursor extends \Magic implements \IteratorAggregate {
 	*	@param $filter string|array
 	*	@param $options array
 	*	@param $ttl int
+	*	@param $bounce bool
 	**/
 	function paginate(
-		$pos=0,$size=10,$filter=NULL,array $options=NULL,$ttl=0) {
+		$pos=0,$size=10,$filter=NULL,array $options=NULL,$ttl=0,$bounce=TRUE) {
 		$total=$this->count($filter,$options,$ttl);
 		$count=ceil($total/$size);
-		$pos=max(0,min($pos,$count-1));
+		if ($bounce)
+			$pos=max(0,min($pos,$count-1));
 		return [
-			'subset'=>$this->find($filter,
+			'subset'=>($bounce || $pos<$count)?$this->find($filter,
 				array_merge(
 					$options?:[],
 					['limit'=>$size,'offset'=>$pos*$size]
 				),
 				$ttl
-			),
+			):[],
 			'total'=>$total,
 			'limit'=>$size,
 			'count'=>$count,
-			'pos'=>$pos<$count?$pos:0
+			'pos'=>$bounce?($pos<$count?$pos:0):$pos
 		];
 	}
 
diff --git a/app/lib/db/jig.php b/app/lib/db/jig.php
index 4221448a..d0730144 100644
--- a/app/lib/db/jig.php
+++ b/app/lib/db/jig.php
@@ -80,7 +80,7 @@ class Jig {
 		$fw=\Base::instance();
 		switch ($this->format) {
 			case self::FORMAT_JSON:
-				$out=json_encode($data,@constant('JSON_PRETTY_PRINT'));
+				$out=json_encode($data,JSON_PRETTY_PRINT);
 				break;
 			case self::FORMAT_Serialized:
 				$out=$fw->serialize($data);
diff --git a/app/lib/db/jig/mapper.php b/app/lib/db/jig/mapper.php
index 860c92a9..135dd612 100644
--- a/app/lib/db/jig/mapper.php
+++ b/app/lib/db/jig/mapper.php
@@ -120,21 +120,20 @@ class Mapper extends \DB\Cursor {
 	*	@param $str string
 	**/
 	function token($str) {
-		$self=$this;
 		$str=preg_replace_callback(
 			'/(?<!\w)@(\w(?:[\w\.\[\]])*)/',
-			function($token) use($self) {
+			function($token) {
 				// Convert from JS dot notation to PHP array notation
 				return '$'.preg_replace_callback(
 					'/(\.\w+)|\[((?:[^\[\]]*|(?R))*)\]/',
-					function($expr) use($self) {
+					function($expr) {
 						$fw=\Base::instance();
 						return
 							'['.
 							($expr[1]?
 								$fw->stringify(substr($expr[1],1)):
 								(preg_match('/^\w+/',
-									$mix=$self->token($expr[2]))?
+									$mix=$this->token($expr[2]))?
 									$fw->stringify($mix):
 									$mix)).
 							']';
@@ -168,7 +167,7 @@ class Mapper extends \DB\Cursor {
 		$db=$this->db;
 		$now=microtime(TRUE);
 		$data=[];
-		if (!$fw->get('CACHE') || !$ttl || !($cached=$cache->exists(
+		if (!$fw->CACHE || !$ttl || !($cached=$cache->exists(
 			$hash=$fw->hash($this->db->dir().
 				$fw->stringify([$filter,$options])).'.jig',$data)) ||
 			$cached[0]+$ttl<microtime(TRUE)) {
@@ -259,7 +258,7 @@ class Mapper extends \DB\Cursor {
 			}
 			$data=array_slice($data,
 				$options['offset'],$options['limit']?:NULL,TRUE);
-			if ($fw->get('CACHE') && $ttl)
+			if ($fw->CACHE && $ttl)
 				// Save to cache backend
 				$cache->set($hash,$data,$ttl);
 		}
@@ -367,15 +366,16 @@ class Mapper extends \DB\Cursor {
 	*	Delete current record
 	*	@return bool
 	*	@param $filter array
+	*	@param $quick bool
 	**/
-	function erase($filter=NULL) {
+	function erase($filter=NULL,$quick=FALSE) {
 		$db=$this->db;
 		$now=microtime(TRUE);
 		$data=&$db->read($this->file);
 		$pkey=['_id'=>$this->id];
 		if ($filter) {
 			foreach ($this->find($filter,NULL,FALSE) as $mapper)
-				if (!$mapper->erase())
+				if (!$mapper->erase(null,$quick))
 					return FALSE;
 			return TRUE;
 		}
@@ -385,7 +385,7 @@ class Mapper extends \DB\Cursor {
 		}
 		else
 			return FALSE;
-		if (isset($this->trigger['beforeerase']) &&
+		if (!$quick && isset($this->trigger['beforeerase']) &&
 			\Base::instance()->call($this->trigger['beforeerase'],
 				[$this,$pkey])===FALSE)
 			return FALSE;
@@ -404,7 +404,7 @@ class Mapper extends \DB\Cursor {
 		$db->jot('('.sprintf('%.1f',1e3*(microtime(TRUE)-$now)).'ms) '.
 			$this->file.' [erase] '.
 			($filter?preg_replace($keys,$vals,$filter[0],1):''));
-		if (isset($this->trigger['aftererase']))
+		if (!$quick && isset($this->trigger['aftererase']))
 			\Base::instance()->call($this->trigger['aftererase'],
 				[$this,$pkey]);
 		return TRUE;
@@ -428,7 +428,7 @@ class Mapper extends \DB\Cursor {
 	**/
 	function copyfrom($var,$func=NULL) {
 		if (is_string($var))
-			$var=\Base::instance()->get($var);
+			$var=\Base::instance()->$var;
 		if ($func)
 			$var=call_user_func($func,$var);
 		foreach ($var as $key=>$val)
diff --git a/app/lib/db/jig/session.php b/app/lib/db/jig/session.php
index 5ebb2069..e7fecb3a 100644
--- a/app/lib/db/jig/session.php
+++ b/app/lib/db/jig/session.php
@@ -70,10 +70,11 @@ class Session extends Mapper {
 			$fw=\Base::instance();
 			if (!isset($this->onsuspect) ||
 				$fw->call($this->onsuspect,[$this,$id])===FALSE) {
-				//NB: `session_destroy` can't be called at that stage (`session_start` not completed)
+				// NB: `session_destroy` can't be called at that stage;
+				// `session_start` not completed
 				$this->destroy($id);
 				$this->close();
-				$fw->clear('COOKIE.'.session_name());
+				unset($fw->{'COOKIE.'.session_name()});
 				$fw->error(403);
 			}
 		}
@@ -178,12 +179,12 @@ class Session extends Mapper {
 		);
 		register_shutdown_function('session_commit');
 		$fw=\Base::instance();
-		$headers=$fw->get('HEADERS');
-		$this->_csrf=$fw->get('SEED').'.'.$fw->hash(mt_rand());
+		$headers=$fw->HEADERS;
+		$this->_csrf=$fw->SEED.'.'.$fw->hash(mt_rand());
 		if ($key)
-			$fw->set($key,$this->_csrf);
+			$fw->$key=$this->_csrf;
 		$this->_agent=isset($headers['User-Agent'])?$headers['User-Agent']:'';
-		$this->_ip=$fw->get('IP');
+		$this->_ip=$fw->IP;
 	}
 
 }
diff --git a/app/lib/db/mongo/mapper.php b/app/lib/db/mongo/mapper.php
index 85f68129..f038b6c0 100644
--- a/app/lib/db/mongo/mapper.php
+++ b/app/lib/db/mongo/mapper.php
@@ -146,7 +146,7 @@ class Mapper extends \DB\Cursor {
 					]
 				);
 				$tmp=$this->db->selectcollection(
-					$fw->get('HOST').'.'.$fw->get('BASE').'.'.
+					$fw->HOST.'.'.$fw->BASE.'.'.
 					uniqid(NULL,TRUE).'.tmp'
 				);
 				$tmp->batchinsert($grp['retval'],['w'=>1]);
@@ -179,7 +179,7 @@ class Mapper extends \DB\Cursor {
 			}
 			if ($options['group'])
 				$tmp->drop();
-			if ($fw->get('CACHE') && $ttl)
+			if ($fw->CACHE && $ttl)
 				// Save to cache backend
 				$cache->set($hash,$result,$ttl);
 		}
@@ -222,7 +222,7 @@ class Mapper extends \DB\Cursor {
 			[$filter])).'.mongo',$result)) || !$ttl ||
 			$cached[0]+$ttl<microtime(TRUE)) {
 			$result=$this->collection->count($filter?:[]);
-			if ($fw->get('CACHE') && $ttl)
+			if ($fw->CACHE && $ttl)
 				// Save to cache backend
 				$cache->set($hash,$result,$ttl);
 		}
@@ -292,10 +292,17 @@ class Mapper extends \DB\Cursor {
 	/**
 	*	Delete current record
 	*	@return bool
+	*	@param $quick bool
 	*	@param $filter array
 	**/
-	function erase($filter=NULL) {
+	function erase($filter=NULL,$quick=TRUE) {
 		if ($filter) {
+			if (!$quick) {
+				foreach ($this->find($filter) as $mapper)
+					if (!$mapper->erase())
+						return FALSE;
+				return TRUE;
+			}
 			return $this->legacy?
 				$this->collection->remove($filter):
 				$this->collection->deletemany($filter);
@@ -332,7 +339,7 @@ class Mapper extends \DB\Cursor {
 	**/
 	function copyfrom($var,$func=NULL) {
 		if (is_string($var))
-			$var=\Base::instance()->get($var);
+			$var=\Base::instance()->$var;
 		if ($func)
 			$var=call_user_func($func,$var);
 		foreach ($var as $key=>$val)
diff --git a/app/lib/db/mongo/session.php b/app/lib/db/mongo/session.php
index 09f123a9..98bafd63 100644
--- a/app/lib/db/mongo/session.php
+++ b/app/lib/db/mongo/session.php
@@ -70,10 +70,11 @@ class Session extends Mapper {
 			$fw=\Base::instance();
 			if (!isset($this->onsuspect) ||
 				$fw->call($this->onsuspect,[$this,$id])===FALSE) {
-				//NB: `session_destroy` can't be called at that stage (`session_start` not completed)
+				// NB: `session_destroy` can't be called at that stage;
+				// `session_start` not completed
 				$this->destroy($id);
 				$this->close();
-				$fw->clear('COOKIE.'.session_name());
+				unset($fw->{'COOKIE.'.session_name()});
 				$fw->error(403);
 			}
 		}
@@ -178,12 +179,12 @@ class Session extends Mapper {
 		);
 		register_shutdown_function('session_commit');
 		$fw=\Base::instance();
-		$headers=$fw->get('HEADERS');
-		$this->_csrf=$fw->get('SEED').'.'.$fw->hash(mt_rand());
+		$headers=$fw->HEADERS;
+		$this->_csrf=$fw->SEED.'.'.$fw->hash(mt_rand());
 		if ($key)
-			$fw->set($key,$this->_csrf);
+			$fw->$key=$this->_csrf;
 		$this->_agent=isset($headers['User-Agent'])?$headers['User-Agent']:'';
-		$this->_ip=$fw->get('IP');
+		$this->_ip=$fw->IP;
 	}
 
 }
diff --git a/app/lib/db/sql.php b/app/lib/db/sql.php
index 005d6430..39e77f0c 100644
--- a/app/lib/db/sql.php
+++ b/app/lib/db/sql.php
@@ -124,7 +124,7 @@ class SQL {
 					$val=str_replace(',','.',$val);
 				return $val;
 			case \PDO::PARAM_NULL:
-				return (unset)$val;
+				return NULL;
 			case \PDO::PARAM_INT:
 				return (int)$val;
 			case \PDO::PARAM_BOOL:
@@ -185,7 +185,7 @@ class SQL {
 				continue;
 			$now=microtime(TRUE);
 			$keys=$vals=[];
-			if ($fw->get('CACHE') && $ttl && ($cached=$cache->exists(
+			if ($fw->CACHE && $ttl && ($cached=$cache->exists(
 				$hash=$fw->hash($this->dsn.$cmd.
 				$fw->stringify($arg)).($tag?'.'.$tag:'').'.sql',$result)) &&
 				$cached[0]+$ttl>microtime(TRUE)) {
@@ -220,13 +220,15 @@ class SQL {
 						'/';
 				}
 				if ($log)
-					$this->log.=($stamp?(date('r').' '):'').'('.
-						sprintf('%.1f',1e3*(microtime(TRUE)-$now)).'ms) '.
+					$this->log.=($stamp?(date('r').' '):'').' (-0ms) '.
 						preg_replace($keys,$vals,
 							str_replace('?',chr(0).'?',$cmd),1).PHP_EOL;
 				$query->execute();
-				$error=$query->errorinfo();
-				if ($error[0]!=\PDO::ERR_NONE) {
+				if ($log)
+					$this->log=str_replace('(-0ms)',
+						'('.sprintf('%.1f',1e3*(microtime(TRUE)-$now)).'ms)',
+						$this->log);
+				if (($error=$query->errorinfo()) && $error[0]!=\PDO::ERR_NONE) {
 					// Statement-level error occurred
 					if ($this->trans)
 						$this->rollback();
@@ -246,7 +248,7 @@ class SQL {
 								$result[$pos][trim($key,'\'"[]`')]=$val;
 						}
 					$this->rows=count($result);
-					if ($fw->get('CACHE') && $ttl)
+					if ($fw->CACHE && $ttl)
 						// Save to cache backend
 						$cache->set($hash,$result,$ttl);
 				}
@@ -255,15 +257,13 @@ class SQL {
 				$query->closecursor();
 				unset($query);
 			}
-			else {
-				$error=$this->errorinfo();
-				if ($error[0]!=\PDO::ERR_NONE) {
-					// PDO-level error occurred
-					if ($this->trans)
-						$this->rollback();
-					user_error('PDO: '.$error[2],E_USER_ERROR);
-				}
+			elseif (($error=$this->errorinfo()) && $error[0]!=\PDO::ERR_NONE) {
+				// PDO-level error occurred
+				if ($this->trans)
+					$this->rollback();
+				user_error('PDO: '.$error[2],E_USER_ERROR);
 			}
+
 		}
 		if ($this->trans && $auto)
 			$this->commit();
@@ -280,8 +280,8 @@ class SQL {
 
 	/**
 	*	Return SQL profiler results (or disable logging)
-	*	@param $flag bool
 	*	@return string
+	*	@param $flag bool
 	**/
 	function log($flag=TRUE) {
 		if ($flag)
@@ -289,6 +289,20 @@ class SQL {
 		$this->log=FALSE;
 	}
 
+	/**
+	*	Return TRUE if table exists
+	*	@return bool
+	*	@param $table string
+	**/
+	function exists($table) {
+		$mode=$this->pdo->getAttribute(\PDO::ATTR_ERRMODE);
+		$this->pdo->setAttribute(\PDO::ATTR_ERRMODE,\PDO::ERRMODE_SILENT);
+		$out=$this->pdo->
+			query('SELECT 1 FROM '.$this->quotekey($table).' LIMIT 1');
+		$this->pdo->setAttribute(\PDO::ATTR_ERRMODE,$mode);
+		return is_object($out);
+	}
+
 	/**
 	*	Retrieve schema of SQL table
 	*	@return array|FALSE
@@ -297,43 +311,50 @@ class SQL {
 	*	@param $ttl int|array
 	**/
 	function schema($table,$fields=NULL,$ttl=0) {
+		$fw=\Base::instance();
+		$cache=\Cache::instance();
+		if ($fw->CACHE && $ttl &&
+			($cached=$cache->exists(
+				$hash=$fw->hash($this->dsn.$table).'.schema',$result)) &&
+			$cached[0]+$ttl>microtime(TRUE))
+			return $result;
 		if (strpos($table,'.'))
 			list($schema,$table)=explode('.',$table);
 		// Supported engines
 		$cmd=[
 			'sqlite2?'=>[
-				'PRAGMA table_info("'.$table.'")',
+				'PRAGMA table_info(`'.$table.'`)',
 				'name','type','dflt_value','notnull',0,'pk',TRUE],
 			'mysql'=>[
 				'SHOW columns FROM `'.$this->dbname.'`.`'.$table.'`',
 				'Field','Type','Default','Null','YES','Key','PRI'],
 			'mssql|sqlsrv|sybase|dblib|pgsql|odbc'=>[
 				'SELECT '.
-					'c.column_name AS field,'.
-					'c.data_type AS type,'.
-					'c.column_default AS defval,'.
-					'c.is_nullable AS nullable,'.
-					't.constraint_type AS pkey '.
-				'FROM information_schema.columns AS c '.
+					'C.COLUMN_NAME AS field,'.
+					'C.DATA_TYPE AS type,'.
+					'C.COLUMN_DEFAULT AS defval,'.
+					'C.IS_NULLABLE AS nullable,'.
+					'T.CONSTRAINT_TYPE AS pkey '.
+				'FROM INFORMATION_SCHEMA.COLUMNS AS C '.
 				'LEFT OUTER JOIN '.
-					'information_schema.key_column_usage AS k '.
+					'INFORMATION_SCHEMA.KEY_COLUMN_USAGE AS K '.
 					'ON '.
-						'c.table_name=k.table_name AND '.
-						'c.column_name=k.column_name AND '.
-						'c.table_schema=k.table_schema '.
+						'C.TABLE_NAME=K.TABLE_NAME AND '.
+						'C.COLUMN_NAME=K.COLUMN_NAME AND '.
+						'C.TABLE_SCHEMA=K.TABLE_SCHEMA '.
 						($this->dbname?
-							('AND c.table_catalog=k.table_catalog '):'').
+							('AND C.TABLE_CATALOG=K.TABLE_CATALOG '):'').
 				'LEFT OUTER JOIN '.
-					'information_schema.table_constraints AS t ON '.
-						'k.table_name=t.table_name AND '.
-						'k.constraint_name=t.constraint_name AND '.
-						'k.table_schema=t.table_schema '.
+					'INFORMATION_SCHEMA.TABLE_CONSTRAINTS AS T ON '.
+						'K.TABLE_NAME=T.TABLE_NAME AND '.
+						'K.CONSTRAINT_NAME=T.CONSTRAINT_NAME AND '.
+						'K.TABLE_SCHEMA=T.TABLE_SCHEMA '.
 						($this->dbname?
-							('AND k.table_catalog=t.table_catalog '):'').
+							('AND K.TABLE_CATALOG=T.TABLE_CATALOG '):'').
 				'WHERE '.
-					'c.table_name='.$this->quote($table).
+					'C.TABLE_NAME='.$this->quote($table).
 					($this->dbname?
-						(' AND c.table_catalog='.
+						(' AND C.TABLE_CATALOG='.
 							$this->quote($this->dbname)):''),
 				'field','type','defval','nullable','YES','pkey','PRIMARY KEY'],
 			'oci'=>[
@@ -354,32 +375,34 @@ class SQL {
 		];
 		if (is_string($fields))
 			$fields=\Base::instance()->split($fields);
+		$conv=[
+			'int\b|integer'=>\PDO::PARAM_INT,
+			'bool'=>\PDO::PARAM_BOOL,
+			'blob|bytea|image|binary'=>\PDO::PARAM_LOB,
+			'float|real|double|decimal|numeric'=>self::PARAM_FLOAT,
+			'.+'=>\PDO::PARAM_STR
+		];
 		foreach ($cmd as $key=>$val)
 			if (preg_match('/'.$key.'/',$this->engine)) {
 				$rows=[];
-				foreach ($this->exec($val[0],NULL,$ttl) as $row) {
-					if (!$fields || in_array($row[$val[1]],$fields))
+				foreach ($this->exec($val[0],NULL) as $row)
+					if (!$fields || in_array($row[$val[1]],$fields)) {
+						foreach ($conv as $regex=>$type)
+							if (preg_match('/'.$regex.'/i',$row[$val[2]]))
+								break;
 						$rows[$row[$val[1]]]=[
 							'type'=>$row[$val[2]],
-							'pdo_type'=>
-								preg_match('/int\b|integer/i',$row[$val[2]])?
-									\PDO::PARAM_INT:
-									(preg_match('/bool/i',$row[$val[2]])?
-										\PDO::PARAM_BOOL:
-										(preg_match(
-											'/blob|bytea|image|binary/i',
-											$row[$val[2]])?\PDO::PARAM_LOB:
-											(preg_match(
-												'/float|decimal|real|numeric|double/i',
-												$row[$val[2]])?self::PARAM_FLOAT:
-												\PDO::PARAM_STR))),
+							'pdo_type'=>$type,
 							'default'=>is_string($row[$val[3]])?
 								preg_replace('/^\s*([\'"])(.*)\1\s*/','\2',
 								$row[$val[3]]):$row[$val[3]],
 							'nullable'=>$row[$val[4]]==$val[5],
 							'pkey'=>$row[$val[6]]==$val[7]
 						];
-				}
+					}
+				if ($fw->CACHE && $ttl)
+					// Save to cache backend
+					$cache->set($hash,$rows,$ttl);
 				return $rows;
 			}
 		user_error(sprintf(self::E_PKey,$table),E_USER_ERROR);
@@ -448,8 +471,8 @@ class SQL {
 	 **/
 	function quotekey($key, $split=TRUE) {
 		$delims=[
-			'mysql'=>'``',
-			'sqlite2?|pgsql|oci'=>'""',
+			'sqlite2?|mysql'=>'``',
+			'pgsql|oci'=>'""',
 			'mssql|sqlsrv|odbc|sybase|dblib'=>'[]'
 		];
 		$use='';
@@ -492,7 +515,7 @@ class SQL {
 			$options=[];
 		if (isset($parts[0]) && strstr($parts[0],':',TRUE)=='mysql')
 			$options+=[\PDO::MYSQL_ATTR_INIT_COMMAND=>'SET NAMES '.
-				strtolower(str_replace('-','',$fw->get('ENCODING'))).';'];
+				strtolower(str_replace('-','',$fw->ENCODING)).';'];
 		$this->pdo=new \PDO($dsn,$user,$pw,$options);
 		$this->engine=$this->pdo->getattribute(\PDO::ATTR_DRIVER_NAME);
 	}
diff --git a/app/lib/db/sql/mapper.php b/app/lib/db/sql/mapper.php
index 5548d36a..f78fc36c 100644
--- a/app/lib/db/sql/mapper.php
+++ b/app/lib/db/sql/mapper.php
@@ -39,7 +39,9 @@ class Mapper extends \DB\Cursor {
 		//! Defined fields
 		$fields,
 		//! Adhoc fields
-		$adhoc=[];
+		$adhoc=[],
+		//! Dynamic properties
+		$props=[];
 
 	/**
 	*	Return database type
@@ -57,15 +59,6 @@ class Mapper extends \DB\Cursor {
 		return $this->source;
 	}
 
-	/**
-	*	Return TRUE if field is defined
-	*	@return bool
-	*	@param $key string
-	**/
-	function exists($key) {
-		return array_key_exists($key,$this->fields+$this->adhoc);
-	}
-
 	/**
 	*	Return TRUE if any/specified field value has changed
 	*	@return bool
@@ -80,6 +73,15 @@ class Mapper extends \DB\Cursor {
 		return FALSE;
 	}
 
+	/**
+	*	Return TRUE if field is defined
+	*	@return bool
+	*	@param $key string
+	**/
+	function exists($key) {
+		return array_key_exists($key,$this->fields+$this->adhoc);
+	}
+
 	/**
 	*	Assign value to field
 	*	@return scalar
@@ -95,12 +97,14 @@ class Mapper extends \DB\Cursor {
 				$this->fields[$key]['changed']=TRUE;
 			return $this->fields[$key]['value']=$val;
 		}
-		// adjust result on existing expressions
+		// Adjust result on existing expressions
 		if (isset($this->adhoc[$key]))
 			$this->adhoc[$key]['value']=$val;
-		else
+		elseif (is_string($val))
 			// Parenthesize expression in case it's a subquery
 			$this->adhoc[$key]=['expr'=>'('.$val.')','value'=>NULL];
+		else
+			$this->props[$key]=$val;
 		return $val;
 	}
 
@@ -116,6 +120,8 @@ class Mapper extends \DB\Cursor {
 			return $this->fields[$key]['value'];
 		elseif (array_key_exists($key,$this->adhoc))
 			return $this->adhoc[$key]['value'];
+		elseif (array_key_exists($key,$this->props))
+			return $this->props[$key];
 		user_error(sprintf(self::E_Field,$key),E_USER_ERROR);
 	}
 
@@ -127,26 +133,22 @@ class Mapper extends \DB\Cursor {
 	function clear($key) {
 		if (array_key_exists($key,$this->adhoc))
 			unset($this->adhoc[$key]);
+		else
+			unset($this->props[$key]);
 	}
 
 	/**
-	*	Get PHP type equivalent of PDO constant
-	*	@return string
-	*	@param $pdo string
+	*	Invoke dynamic method
+	*	@return mixed
+	*	@param $func string
+	*	@param $args array
 	**/
-	function type($pdo) {
-		switch ($pdo) {
-			case \PDO::PARAM_NULL:
-				return 'unset';
-			case \PDO::PARAM_INT:
-				return 'int';
-			case \PDO::PARAM_BOOL:
-				return 'bool';
-			case \PDO::PARAM_STR:
-				return 'string';
-			case \DB\SQL::PARAM_FLOAT:
-				return 'float';
-		}
+	function __call($func,$args) {
+		return call_user_func_array(
+			(array_key_exists($func,$this->props)?
+				$this->props[$func]:
+				$this->$func),$args
+		);
 	}
 
 	/**
@@ -192,14 +194,13 @@ class Mapper extends \DB\Cursor {
 	}
 
 	/**
-	*	Build query string and execute
-	*	@return static[]
+	*	Build query string and arguments
+	*	@return array
 	*	@param $fields string
 	*	@param $filter string|array
 	*	@param $options array
-	*	@param $ttl int|array
 	**/
-	function select($fields,$filter=NULL,array $options=NULL,$ttl=0) {
+	function stringify($fields,$filter=NULL,array $options=NULL) {
 		if (!$options)
 			$options=[];
 		$options+=[
@@ -224,7 +225,7 @@ class Mapper extends \DB\Cursor {
 			$sql.=' GROUP BY '.implode(',',array_map(
 				function($str) use($db) {
 					return preg_replace_callback(
-						'/\b(\w+)\h*(HAVING.+|$)/i',
+						'/\b(\w+[._\-\w]*)\h*(HAVING.+|$)/i',
 						function($parts) use($db) {
 							return $db->quotekey($parts[1]).
 								(isset($parts[2])?(' '.$parts[2]):'');
@@ -235,47 +236,63 @@ class Mapper extends \DB\Cursor {
 				explode(',',$options['group'])));
 		}
 		if ($options['order']) {
-			$sql.=' ORDER BY '.implode(',',array_map(
+			$order=' ORDER BY '.implode(',',array_map(
 				function($str) use($db) {
-					return preg_match('/^(\w+)(?:\h+(ASC|DESC))?\h*(?:,|$)/i',
+					return preg_match('/^\h*(\w+[._\-\w]*)(?:\h+((?:ASC|DESC)[\w\h]*))?\h*$/i',
 						$str,$parts)?
 						($db->quotekey($parts[1]).
 						(isset($parts[2])?(' '.$parts[2]):'')):$str;
 				},
 				explode(',',$options['order'])));
 		}
+		// SQL Server fixes
 		if (preg_match('/mssql|sqlsrv|odbc/', $this->engine) &&
 			($options['limit'] || $options['offset'])) {
-			$pkeys=[];
-			foreach ($this->fields as $key=>$field)
-				if ($field['pkey'])
-					$pkeys[]=$key;
+			// order by pkey when no ordering option was given
+			if (!$options['order'])
+				foreach ($this->fields as $key=>$field)
+					if ($field['pkey']) {
+						$order=' ORDER BY '.$db->quotekey($key);
+						break;
+					}
 			$ofs=$options['offset']?(int)$options['offset']:0;
 			$lmt=$options['limit']?(int)$options['limit']:0;
 			if (strncmp($db->version(),'11',2)>=0) {
-				// SQL Server 2012
-				if (!$options['order'])
-					$sql.=' ORDER BY '.$db->quotekey($pkeys[0]);
-				$sql.=' OFFSET '.$ofs.' ROWS';
+				// SQL Server >= 2012
+				$sql.=$order.' OFFSET '.$ofs.' ROWS';
 				if ($lmt)
 					$sql.=' FETCH NEXT '.$lmt.' ROWS ONLY';
 			}
 			else {
 				// SQL Server 2008
-				$sql=str_replace('SELECT',
+				$sql=preg_replace('/SELECT/',
 					'SELECT '.
 					($lmt>0?'TOP '.($ofs+$lmt):'').' ROW_NUMBER() '.
-					'OVER (ORDER BY '.
-						$db->quotekey($pkeys[0]).') AS rnum,',$sql);
+					'OVER ('.$order.') AS rnum,',$sql.$order,1);
 				$sql='SELECT * FROM ('.$sql.') x WHERE rnum > '.($ofs);
 			}
 		}
 		else {
+			if (isset($order))
+				$sql.=$order;
 			if ($options['limit'])
 				$sql.=' LIMIT '.(int)$options['limit'];
 			if ($options['offset'])
 				$sql.=' OFFSET '.(int)$options['offset'];
 		}
+		return [$sql,$args];
+	}
+
+	/**
+	*	Build query string and execute
+	*	@return object
+	*	@param $fields string
+	*	@param $filter string|array
+	*	@param $options array
+	*	@param $ttl int|array
+	**/
+	function select($fields,$filter=NULL,array $options=NULL,$ttl=0) {
+		list($sql,$args)=$this->stringify($fields,$filter,$options);
 		$result=$this->db->exec($sql,$args,$ttl);
 		$out=[];
 		foreach ($result as &$row) {
@@ -285,8 +302,6 @@ class Mapper extends \DB\Cursor {
 						$val=$this->db->value(
 							$this->fields[$field]['pdo_type'],$val);
 				}
-				elseif (array_key_exists($field,$this->adhoc))
-					$this->adhoc[$field]['value']=$val;
 				unset($val);
 			}
 			$out[]=$this->factory($row);
@@ -329,14 +344,17 @@ class Mapper extends \DB\Cursor {
 	*	@param $ttl int|array
 	**/
 	function count($filter=NULL,array $options=NULL,$ttl=0) {
-		$expr='COUNT(*)';
-		$field='rows';
-		$this->adhoc[$field]=['expr'=>$expr,'value'=>NULL];
-		$result=$this->select($expr.' AS '.$this->db->quotekey($field),
-			$filter,$options,$ttl);
-		$out=$result[0]->adhoc[$field]['value'];
-		unset($this->adhoc[$field]);
-		return $out;
+		$adhoc='';
+		foreach ($this->adhoc as $key=>$field)
+			$adhoc.=','.$field['expr'].' AS '.$this->db->quotekey($key);
+		$fields='*'.$adhoc;
+		if (preg_match('/mssql|dblib|sqlsrv/',$this->engine))
+			$fields='TOP 100 PERCENT '.$fields;
+		list($sql,$args)=$this->stringify($fields,$filter,$options);
+		$sql='SELECT COUNT(*) AS '.$this->db->quotekey('_rows').' '.
+			'FROM ('.$sql.') AS '.$this->db->quotekey('_temp');
+		$result=$this->db->exec($sql,$args,$ttl);
+		return (int)$result[0]['_rows'];
 	}
 
 	/**
@@ -404,28 +422,27 @@ class Mapper extends \DB\Cursor {
 				$actr++;
 				$ckeys[]=$key;
 			}
-			$field['changed']=FALSE;
-			unset($field);
 		}
 		if ($fields) {
-			$this->db->exec(
+			$add='';
+			if ($this->engine=='pgsql') {
+				$names=array_keys($pkeys);
+				$aik=end($names);
+				$add=' RETURNING '.$this->db->quotekey($aik);
+			}
+			$lID=$this->db->exec(
 				(preg_match('/mssql|dblib|sqlsrv/',$this->engine) &&
 				array_intersect(array_keys($pkeys),$ckeys)?
 					'SET IDENTITY_INSERT '.$this->table.' ON;':'').
 				'INSERT INTO '.$this->table.' ('.$fields.') '.
-				'VALUES ('.$values.')',$args
+				'VALUES ('.$values.')'.$add,$args
 			);
-			$seq=NULL;
-			if ($this->engine=='pgsql') {
-				$names=array_keys($pkeys);
-				$aik=end($names);
-				if ($this->fields[$aik]['pdo_type']==\PDO::PARAM_INT)
-					$seq=$this->source.'_'.$aik.'_seq';
-			}
-			if ($this->engine!='oci' && !($this->engine=='pgsql' && !$seq))
-				$this->_id=$this->db->lastinsertid($seq);
+			if ($this->engine=='pgsql' && $lID)
+				$this->_id=$lID[0][$aik];
+			elseif ($this->engine!='oci')
+				$this->_id=$this->db->lastinsertid();
 			// Reload to obtain default and auto-increment field values
-			if ($inc || $filter)
+			if ($reload=($inc || $filter))
 				$this->load($inc?
 					[$inc.'=?',$this->db->value(
 						$this->fields[$inc]['pdo_type'],$this->_id)]:
@@ -433,6 +450,13 @@ class Mapper extends \DB\Cursor {
 			if (isset($this->trigger['afterinsert']))
 				\Base::instance()->call($this->trigger['afterinsert'],
 					[$this,$pkeys]);
+			// reset changed flag after calling afterinsert
+			if (!$reload)
+				foreach ($this->fields as $key=>&$field) {
+					$field['changed']=FALSE;
+					$field['initial']=$field['value'];
+					unset($field);
+				}
 		}
 		return $this;
 	}
@@ -484,10 +508,17 @@ class Mapper extends \DB\Cursor {
 	/**
 	*	Delete current record
 	*	@return int
+	*	@param $quick bool
 	*	@param $filter string|array
 	**/
-	function erase($filter=NULL) {
+	function erase($filter=NULL,$quick=TRUE) {
 		if (isset($filter)) {
+			if (!$quick) {
+				$out=0;
+				foreach ($this->find($filter) as $mapper)
+					$out+=$mapper->erase();
+				return $out;
+			}
 			$args=[];
 			if (is_array($filter)) {
 				$args=isset($filter[1]) && is_array($filter[1])?
@@ -497,7 +528,8 @@ class Mapper extends \DB\Cursor {
 				list($filter)=$filter;
 			}
 			return $this->db->
-				exec('DELETE FROM '.$this->table.($filter?' WHERE '.$filter:'').';',$args);
+				exec('DELETE FROM '.$this->table.
+				($filter?' WHERE '.$filter:'').';',$args);
 		}
 		$args=[];
 		$ctr=0;
@@ -561,7 +593,7 @@ class Mapper extends \DB\Cursor {
 	**/
 	function copyfrom($var,$func=NULL) {
 		if (is_string($var))
-			$var=\Base::instance()->get($var);
+			$var=\Base::instance()->$var;
 		if ($func)
 			$var=call_user_func($func,$var);
 		foreach ($var as $key=>$val)
diff --git a/app/lib/db/sql/session.php b/app/lib/db/sql/session.php
index d02f46e2..799cd0ff 100644
--- a/app/lib/db/sql/session.php
+++ b/app/lib/db/sql/session.php
@@ -73,7 +73,7 @@ class Session extends Mapper {
 				//NB: `session_destroy` can't be called at that stage (`session_start` not completed)
 				$this->destroy($id);
 				$this->close();
-				$fw->clear('COOKIE.'.session_name());
+				unset($fw->{'COOKIE.'.session_name()});
 				$fw->error(403);
 			}
 		}
@@ -170,8 +170,9 @@ class Session extends Mapper {
 		if ($force) {
 			$eol="\n";
 			$tab="\t";
+			$sqlsrv=preg_match('/mssql|sqlsrv|sybase/',$db->driver());
 			$db->exec(
-				(preg_match('/mssql|sqlsrv|sybase/',$db->driver())?
+				($sqlsrv?
 					('IF NOT EXISTS (SELECT * FROM sysobjects WHERE '.
 						'name='.$db->quote($table).' AND xtype=\'U\') '.
 						'CREATE TABLE dbo.'):
@@ -179,12 +180,14 @@ class Session extends Mapper {
 						((($name=$db->name())&&$db->driver()!='pgsql')?
 							($db->quotekey($name,FALSE).'.'):''))).
 				$db->quotekey($table,FALSE).' ('.$eol.
+					($sqlsrv?$tab.$db->quotekey('id').' INT IDENTITY,'.$eol:'').
 					$tab.$db->quotekey('session_id').' VARCHAR(255),'.$eol.
 					$tab.$db->quotekey('data').' TEXT,'.$eol.
 					$tab.$db->quotekey('ip').' VARCHAR(45),'.$eol.
 					$tab.$db->quotekey('agent').' VARCHAR(300),'.$eol.
 					$tab.$db->quotekey('stamp').' INTEGER,'.$eol.
-					$tab.'PRIMARY KEY ('.$db->quotekey('session_id').')'.$eol.
+					$tab.'PRIMARY KEY ('.$db->quotekey($sqlsrv?'id':'session_id').')'.$eol.
+				($sqlsrv?',CONSTRAINT [UK_session_id] UNIQUE(session_id)':'').
 				');'
 			);
 		}
@@ -200,12 +203,15 @@ class Session extends Mapper {
 		);
 		register_shutdown_function('session_commit');
 		$fw=\Base::instance();
-		$headers=$fw->get('HEADERS');
-		$this->_csrf=$fw->get('SEED').'.'.$fw->hash(mt_rand());
+		$headers=$fw->HEADERS;
+		$this->_csrf=$fw->SEED.'.'.$fw->hash(mt_rand());
 		if ($key)
-			$fw->set($key,$this->_csrf);
+			$fw->$key=$this->_csrf;
 		$this->_agent=isset($headers['User-Agent'])?$headers['User-Agent']:'';
-		$this->_ip=$fw->get('IP');
+		if (strlen($this->_agent) > 300) {
+			$this->_agent = substr($this->_agent, 0, 300);
+		}
+		$this->_ip=$fw->IP;
 	}
 
 }
diff --git a/app/lib/image.php b/app/lib/image.php
index ad63bf87..3efc0cca 100644
--- a/app/lib/image.php
+++ b/app/lib/image.php
@@ -409,7 +409,7 @@ class Image {
 			return FALSE;
 		}
 		$fw=Base::instance();
-		foreach ($fw->split($path?:$fw->get('UI').';./') as $dir)
+		foreach ($fw->split($path?:$fw->UI.';./') as $dir)
 			if (is_file($path=$dir.$font)) {
 				$seed=strtoupper(substr(
 					$ssl?bin2hex(openssl_random_pseudo_bytes($len)):uniqid(),
@@ -448,7 +448,7 @@ class Image {
 				}
 				imagesavealpha($this->data,TRUE);
 				if ($key)
-					$fw->set($key,$seed);
+					$fw->$key=$seed;
 				return $this->save();
 			}
 		user_error(self::E_Font,E_USER_ERROR);
@@ -480,7 +480,7 @@ class Image {
 		$format=$args?array_shift($args):'png';
 		if (PHP_SAPI!='cli') {
 			header('Content-Type: image/'.$format);
-			header('X-Powered-By: '.Base::instance()->get('PACKAGE'));
+			header('X-Powered-By: '.Base::instance()->PACKAGE);
 		}
 		call_user_func_array(
 			'image'.$format,
@@ -518,10 +518,10 @@ class Image {
 	function save() {
 		$fw=Base::instance();
 		if ($this->flag) {
-			if (!is_dir($dir=$fw->get('TEMP')))
+			if (!is_dir($dir=$fw->TEMP))
 				mkdir($dir,Base::MODE,TRUE);
 			$this->count++;
-			$fw->write($dir.'/'.$fw->get('SEED').'.'.
+			$fw->write($dir.'/'.$fw->SEED.'.'.
 				$fw->hash($this->file).'-'.$this->count.'.png',
 				$this->dump());
 		}
@@ -535,8 +535,8 @@ class Image {
 	**/
 	function restore($state=1) {
 		$fw=Base::instance();
-		if ($this->flag && is_file($file=($path=$fw->get('TEMP').
-			$fw->get('SEED').'.'.$fw->hash($this->file).'-').$state.'.png')) {
+		if ($this->flag && is_file($file=($path=$fw->TEMP.
+			$fw->SEED.'.'.$fw->hash($this->file).'-').$state.'.png')) {
 			if (is_resource($this->data))
 				imagedestroy($this->data);
 			$this->data=imagecreatefromstring($fw->read($file));
@@ -589,7 +589,7 @@ class Image {
 			// Create image from file
 			$this->file=$file;
 			if (!isset($path))
-				$path=$fw->get('UI').';./';
+				$path=$fw->UI.';./';
 			foreach ($fw->split($path,FALSE) as $dir)
 				if (is_file($dir.$file))
 					return $this->load($fw->read($dir.$file));
@@ -605,7 +605,7 @@ class Image {
 		if (is_resource($this->data)) {
 			imagedestroy($this->data);
 			$fw=Base::instance();
-			$path=$fw->get('TEMP').$fw->get('SEED').'.'.$fw->hash($this->file);
+			$path=$fw->TEMP.$fw->SEED.'.'.$fw->hash($this->file);
 			if ($glob=@glob($path.'*.png',GLOB_NOSORT))
 				foreach ($glob as $match)
 					if (preg_match('/-(\d+)\.png/',$match))
diff --git a/app/lib/log.php b/app/lib/log.php
index 19337218..422baf25 100644
--- a/app/lib/log.php
+++ b/app/lib/log.php
@@ -59,7 +59,7 @@ class Log {
 	**/
 	function __construct($file) {
 		$fw=Base::instance();
-		if (!is_dir($dir=$fw->get('LOGS')))
+		if (!is_dir($dir=$fw->LOGS))
 			mkdir($dir,Base::MODE,TRUE);
 		$this->file=$dir.$file;
 	}
diff --git a/app/lib/markdown.php b/app/lib/markdown.php
index e05ea791..18995fb7 100644
--- a/app/lib/markdown.php
+++ b/app/lib/markdown.php
@@ -64,7 +64,7 @@ class Markdown extends Prefab {
 	protected function _fence($hint,$str) {
 		$str=$this->snip($str);
 		$fw=Base::instance();
-		if ($fw->get('HIGHLIGHT')) {
+		if ($fw->HIGHLIGHT) {
 			switch (strtolower($hint)) {
 				case 'php':
 					$str=$fw->highlight($str);
@@ -288,20 +288,19 @@ class Markdown extends Prefab {
 		if (strlen($str)) {
 			if (preg_match('/^(.+?\n)([>#].+)$/s',$str,$parts))
 				return $this->_p($parts[1]).$this->build($parts[2]);
-			$self=$this;
 			$str=preg_replace_callback(
 				'/([^<>\[]+)?(<[\?%].+?[\?%]>|<.+?>|\[.+?\]\s*\(.+?\))|'.
 				'(.+)/s',
-				function($expr) use($self) {
+				function($expr) {
 					$tmp='';
 					if (isset($expr[4]))
-						$tmp.=$self->esc($expr[4]);
+						$tmp.=$this->esc($expr[4]);
 					else {
 						if (isset($expr[1]))
-							$tmp.=$self->esc($expr[1]);
+							$tmp.=$this->esc($expr[1]);
 						$tmp.=$expr[2];
 						if (isset($expr[3]))
-							$tmp.=$self->esc($expr[3]);
+							$tmp.=$this->esc($expr[3]);
 					}
 					return $tmp;
 				},
@@ -347,17 +346,16 @@ class Markdown extends Prefab {
 	*	@param $str string
 	**/
 	protected function _img($str) {
-		$self=$this;
 		return preg_replace_callback(
 			'/!(?:\[(.+?)\])?\h*\(<?(.*?)>?(?:\h*"(.*?)"\h*)?\)/',
-			function($expr) use($self) {
+			function($expr) {
 				return '<img src="'.$expr[2].'"'.
 					(empty($expr[1])?
 						'':
-						(' alt="'.$self->esc($expr[1]).'"')).
+						(' alt="'.$this->esc($expr[1]).'"')).
 					(empty($expr[3])?
 						'':
-						(' title="'.$self->esc($expr[3]).'"')).' />';
+						(' title="'.$this->esc($expr[3]).'"')).' />';
 			},
 			$str
 		);
@@ -369,15 +367,14 @@ class Markdown extends Prefab {
 	*	@param $str string
 	**/
 	protected function _a($str) {
-		$self=$this;
 		return preg_replace_callback(
 			'/(?<!\\\\)\[(.+?)(?!\\\\)\]\h*\(<?(.*?)>?(?:\h*"(.*?)"\h*)?\)/',
-			function($expr) use($self) {
-				return '<a href="'.$self->esc($expr[2]).'"'.
+			function($expr) {
+				return '<a href="'.$this->esc($expr[2]).'"'.
 					(empty($expr[3])?
 						'':
-						(' title="'.$self->esc($expr[3]).'"')).
-					'>'.$self->scan($expr[1]).'</a>';
+						(' title="'.$this->esc($expr[3]).'"')).
+					'>'.$this->scan($expr[1]).'</a>';
 			},
 			$str
 		);
@@ -389,12 +386,11 @@ class Markdown extends Prefab {
 	*	@param $str string
 	**/
 	protected function _auto($str) {
-		$self=$this;
 		return preg_replace_callback(
 			'/`.*?<(.+?)>.*?`|<(.+?)>/',
-			function($expr) use($self) {
+			function($expr) {
 				if (empty($expr[1]) && parse_url($expr[2],PHP_URL_SCHEME)) {
-					$expr[2]=$self->esc($expr[2]);
+					$expr[2]=$this->esc($expr[2]);
 					return '<a href="'.$expr[2].'">'.$expr[2].'</a>';
 				}
 				return $expr[0];
@@ -409,12 +405,11 @@ class Markdown extends Prefab {
 	*	@param $str string
 	**/
 	protected function _code($str) {
-		$self=$this;
 		return preg_replace_callback(
 			'/`` (.+?) ``|(?<!\\\\)`(.+?)(?!\\\\)`/',
-			function($expr) use($self) {
+			function($expr) {
 				return '<code>'.
-					$self->esc(empty($expr[1])?$expr[2]:$expr[1]).'</code>';
+					$this->esc(empty($expr[1])?$expr[2]:$expr[1]).'</code>';
 			},
 			$str
 		);
@@ -436,7 +431,7 @@ class Markdown extends Prefab {
 		foreach ($this->special as $key=>$val)
 			$str=preg_replace('/'.preg_quote($key,'/').'/i',$val,$str);
 		return htmlspecialchars($str,ENT_COMPAT,
-			Base::instance()->get('ENCODING'),FALSE);
+			Base::instance()->ENCODING,FALSE);
 	}
 
 	/**
@@ -488,7 +483,6 @@ class Markdown extends Prefab {
 				'p'=>'/^(.+?(?:\n{2,}|\n*$))/s'
 			];
 		}
-		$self=$this;
 		// Treat lines with nothing but whitespaces as empty lines
 		$str=preg_replace('/\n\h+(?=\n)/',"\n",$str);
 		// Initialize block parser
@@ -509,16 +503,16 @@ class Markdown extends Prefab {
 						'/(?<!\\\\)\[('.$ref.')(?!\\\\)\]\s*\[\]|'.
 						'(!?)(?:\[([^\[\]]+)\]\s*)?'.
 						'(?<!\\\\)\[('.$ref.')(?!\\\\)\]/',
-						function($expr) use($match,$self) {
+						function($expr) use($match) {
 							return (empty($expr[2]))?
 								// Anchor
-								('<a href="'.$self->esc($match[2]).'"'.
+								('<a href="'.$this->esc($match[2]).'"'.
 								(empty($match[3])?
 									'':
 									(' title="'.
-										$self->esc($match[3]).'"')).'>'.
+										$this->esc($match[3]).'"')).'>'.
 								// Link
-								$self->scan(
+								$this->scan(
 									empty($expr[3])?
 										(empty($expr[1])?
 											$expr[4]:
@@ -530,11 +524,11 @@ class Markdown extends Prefab {
 								(empty($expr[2])?
 									'':
 									(' alt="'.
-										$self->esc($expr[3]).'"')).
+										$this->esc($expr[3]).'"')).
 								(empty($match[3])?
 									'':
 									(' title="'.
-										$self->esc($match[3]).'"')).
+										$this->esc($match[3]).'"')).
 								' />');
 						},
 						$tmp=$dst
diff --git a/app/lib/session.php b/app/lib/session.php
index 7df365e9..3434f8d2 100644
--- a/app/lib/session.php
+++ b/app/lib/session.php
@@ -72,7 +72,7 @@ class Session {
 				//NB: `session_destroy` can't be called at that stage (`session_start` not completed)
 				$this->destroy($id);
 				$this->close();
-				$fw->clear('COOKIE.'.session_name());
+				unset($fw->{'COOKIE.'.session_name()});
 				$fw->error(403);
 			}
 		}
@@ -87,7 +87,7 @@ class Session {
 	**/
 	function write($id,$data) {
 		$fw=Base::instance();
-		$jar=$fw->get('JAR');
+		$jar=$fw->JAR;
 		$this->_cache->set($id.'.@',
 			[
 				'data'=>$data,
@@ -95,7 +95,7 @@ class Session {
 				'agent'=>$this->_agent,
 				'stamp'=>time()
 			],
-			$jar['expire']?($jar['expire']-time()):0
+			$jar['expire']
 		);
 		return TRUE;
 	}
@@ -181,12 +181,12 @@ class Session {
 		);
 		register_shutdown_function('session_commit');
 		$fw=\Base::instance();
-		$headers=$fw->get('HEADERS');
-		$this->_csrf=$fw->get('SEED').'.'.$fw->hash(mt_rand());
+		$headers=$fw->HEADERS;
+		$this->_csrf=$fw->SEED.'.'.$fw->hash(mt_rand());
 		if ($key)
-			$fw->set($key,$this->_csrf);
+			$fw->$key=$this->_csrf;
 		$this->_agent=isset($headers['User-Agent'])?$headers['User-Agent']:'';
-		$this->_ip=$fw->get('IP');
+		$this->_ip=$fw->IP;
 	}
 
 }
diff --git a/app/lib/smtp.php b/app/lib/smtp.php
index 64e8d04f..6a8e5333 100644
--- a/app/lib/smtp.php
+++ b/app/lib/smtp.php
@@ -171,7 +171,7 @@ class SMTP extends Magic {
 		if (!is_file($file))
 			user_error(sprintf(self::E_Attach,$file),E_USER_ERROR);
 		if ($alias)
-			$file=[$alias=>$file];
+			$file=[$alias,$file];
 		$this->attachments[]=['filename'=>$file,'cid'=>$cid];
 	}
 
@@ -206,14 +206,15 @@ class SMTP extends Magic {
 		// Get server's initial response
 		$this->dialog(NULL,TRUE,$mock);
 		// Announce presence
-		$reply=$this->dialog('EHLO '.$fw->get('HOST'),$log,$mock);
+		$reply=$this->dialog('EHLO '.$fw->HOST,$log,$mock);
 		if (strtolower($this->scheme)=='tls') {
 			$this->dialog('STARTTLS',$log,$mock);
 			if (!$mock)
 				stream_socket_enable_crypto(
 					$socket,TRUE,STREAM_CRYPTO_METHOD_TLS_CLIENT);
-			$reply=$this->dialog('EHLO '.$fw->get('HOST'),$log,$mock);
+			$reply=$this->dialog('EHLO '.$fw->HOST,$log,$mock);
 		}
+		$message=wordwrap($message,998);
 		if (preg_match('/8BITMIME/',$reply))
 			$headers['Content-Transfer-Encoding']='8bit';
 		else {
@@ -243,14 +244,8 @@ class SMTP extends Magic {
 			if (empty($headers[$id]))
 				user_error(sprintf(self::E_Header,$id),E_USER_ERROR);
 		$eol="\r\n";
-		$str='';
 		// Stringify headers
 		foreach ($headers as $key=>&$val) {
-			if (!in_array($key,$reqd) &&
-				(!$this->attachments ||
-				$key!='Content-Type' &&
-				$key!='Content-Transfer-Encoding'))
-				$str.=$key.': '.$val.$eol;
 			if (in_array($key,['From','To','Cc','Bcc'])) {
 				$email='';
 				preg_match_all('/(?:".+?" )?(?:<.+?>|[^ ,]+)/',
@@ -290,11 +285,11 @@ class SMTP extends Magic {
 			$out.='--'.$hash.$eol;
 			$out.='Content-Type: '.$type.$eol;
 			$out.='Content-Transfer-Encoding: '.$enc.$eol;
-			$out.=$str.$eol;
+			$out.=$eol;
 			$out.=$message.$eol;
 			foreach ($this->attachments as $attachment) {
 				if (is_array($attachment['filename']))
-					list($alias,$file)=each($attachment['filename']);
+					list($alias,$file)=$attachment['filename'];
 				else
 					$alias=basename($file=$attachment['filename']);
 				$out.='--'.$hash.$eol;
@@ -338,20 +333,21 @@ class SMTP extends Magic {
 	*	@param $scheme string
 	*	@param $user string
 	*	@param $pw string
+	*	@param $ctx resource
 	**/
 	function __construct(
 		$host='localhost',$port=25,$scheme=NULL,$user=NULL,$pw=NULL,$ctx=NULL) {
 		$this->headers=[
 			'MIME-Version'=>'1.0',
 			'Content-Type'=>'text/plain; '.
-				'charset='.Base::instance()->get('ENCODING')
+				'charset='.Base::instance()->ENCODING
 		];
-		$this->host=(strtolower($this->scheme=strtolower($scheme))=='ssl'?
-			'ssl':'tcp').'://'.$host;
+		$this->host=strtolower((($this->scheme=strtolower($scheme))=='ssl'?
+			'ssl':'tcp').'://'.$host);
 		$this->port=$port;
 		$this->user=$user;
 		$this->pw=$pw;
-		$this->context=$ctx;
+		$this->context=stream_context_create($ctx);
 	}
 
 }
diff --git a/app/lib/template.php b/app/lib/template.php
index a8277376..5d4c74b0 100644
--- a/app/lib/template.php
+++ b/app/lib/template.php
@@ -65,8 +65,8 @@ class Template extends Preview {
 							return '\''.$pair[1].'\'=>'.
 								(preg_match('/^\'.*\'$/',$pair[2]) ||
 									preg_match('/\$/',$pair[2])?
-									$pair[2]:
-									\Base::instance()->stringify($pair[2]));
+									$pair[2]:Base::instance()->stringify(
+										Base::instance()->cast($pair[2])));
 						},$pairs)).']+get_defined_vars()'):
 					'get_defined_vars()';
 		$ttl=isset($attrib['ttl'])?(int)$attrib['ttl']:0;
@@ -77,7 +77,7 @@ class Template extends Preview {
 					(preg_match('/^\{\{(.+?)\}\}$/',$attrib['href'])?
 						$this->token($attrib['href']):
 						Base::instance()->stringify($attrib['href'])).','.
-					'$this->mime,'.$hive.','.$ttl.'); ?>');
+					'NULL,'.$hive.','.$ttl.'); ?>');
 	}
 
 	/**
@@ -252,7 +252,7 @@ class Template extends Preview {
 	/**
 	*	Call custom tag handler
 	*	@return string|FALSE
-	*	@param $func callback
+	*	@param $func string
 	*	@param $args array
 	**/
 	function __call($func,array $args) {
@@ -265,10 +265,11 @@ class Template extends Preview {
 
 	/**
 	*	Parse string for template directives and tokens
-	*	@return string|array
+	*	@return array
 	*	@param $text string
 	**/
 	function parse($text) {
+		$text=parent::parse($text);
 		// Build tree structure
 		for ($ptr=0,$w=5,$len=strlen($text),$tree=[],$tmp='';$ptr<$len;)
 			if (preg_match('/^(.{0,'.$w.'}?)<(\/?)(?:F3:)?'.
@@ -276,21 +277,23 @@ class Template extends Preview {
 				'(?:\h*=\h*(?:"(?:.*?)"|\'(?:.*?)\'))?|'.
 				'\h*\{\{.+?\}\})*)\h*(\/?)>/is',
 				substr($text,$ptr),$match)) {
-				if (strlen($tmp)||$match[1])
+				if (strlen($tmp) || $match[1])
 					$tree[]=$tmp.$match[1];
 				// Element node
 				if ($match[2]) {
 					// Find matching start tag
 					$stack=[];
 					for($i=count($tree)-1;$i>=0;$i--) {
-						$item = $tree[$i];
-						if (is_array($item) && array_key_exists($match[3],$item)
-						&& !isset($item[$match[3]][0])) {
+						$item=$tree[$i];
+						if (is_array($item) &&
+							array_key_exists($match[3],$item) &&
+							!isset($item[$match[3]][0])) {
 							// Start tag found
 							$tree[$i][$match[3]]+=array_reverse($stack);
 							$tree=array_slice($tree,0,$i+1);
 							break;
-						} else $stack[]=$item;
+						}
+						else $stack[]=$item;
 					}
 				}
 				else {
diff --git a/app/lib/utf.php b/app/lib/utf.php
index bcc083be..a010c66f 100644
--- a/app/lib/utf.php
+++ b/app/lib/utf.php
@@ -191,7 +191,7 @@ class UTF extends Prefab {
 			':,'=>'\u1f60f', // think
 			':/'=>'\u1f623', // skeptic
 			'8O'=>'\u1f632', // oops
-		]+Base::instance()->get('EMOJI');
+		]+Base::instance()->EMOJI;
 		return $this->translate(str_replace(array_keys($map),
 			array_values($map),$str));
 	}
diff --git a/app/lib/web.php b/app/lib/web.php
index 204d9490..dd817ce2 100644
--- a/app/lib/web.php
+++ b/app/lib/web.php
@@ -138,7 +138,7 @@ class Web extends Prefab {
 					'filename="'.($name!==NULL?$name:basename($file)).'"');
 			header('Accept-Ranges: bytes');
 			header('Content-Length: '.$size);
-			header('X-Powered-By: '.Base::instance()->get('PACKAGE'));
+			header('X-Powered-By: '.Base::instance()->PACKAGE);
 		}
 		if (!$kbps && $flush) {
 			while (ob_get_level())
@@ -179,13 +179,13 @@ class Web extends Prefab {
 	**/
 	function receive($func=NULL,$overwrite=FALSE,$slug=TRUE) {
 		$fw=Base::instance();
-		$dir=$fw->get('UPLOADS');
+		$dir=$fw->UPLOADS;
 		if (!is_dir($dir))
 			mkdir($dir,Base::MODE,TRUE);
-		if ($fw->get('VERB')=='PUT') {
-			$tmp=$fw->get('TEMP').$fw->get('SEED').'.'.$fw->hash(uniqid());
-			if (!$fw->get('RAW'))
-				$fw->write($tmp,$fw->get('BODY'));
+		if ($fw->VERB=='PUT') {
+			$tmp=$fw->TEMP.$fw->SEED.'.'.$fw->hash(uniqid());
+			if (!$fw->RAW)
+				$fw->write($tmp,$fw->BODY);
 			else {
 				$src=@fopen('php://input','r');
 				$dst=@fopen($tmp,'w');
@@ -198,7 +198,7 @@ class Web extends Prefab {
 				fclose($dst);
 				fclose($src);
 			}
-			$base=basename($fw->get('URI'));
+			$base=basename($fw->URI);
 			$file=[
 				'name'=>$dir.
 					($slug && preg_match('/(.+?)(\.\w+)?$/',$base,$parts)?
@@ -305,6 +305,7 @@ class Web extends Prefab {
 		$body=ob_get_clean();
 		if (!$err &&
 			$options['follow_location'] &&
+			preg_grep('/HTTP\/1\.\d 3\d{2}/',$headers) &&
 			preg_match('/^Location: (.+)$/m',implode(PHP_EOL,$headers),$loc)) {
 			$options['max_redirects']--;
 			if($loc[1][0] == '/') {
@@ -424,6 +425,7 @@ class Web extends Prefab {
 						break;
 				}
 			if ($options['follow_location'] &&
+				preg_grep('/HTTP\/1\.\d 3\d{2}/',$headers) &&
 				preg_match('/Location: (.+?)'.preg_quote($eol).'/',
 				$html[0],$loc)) {
 				$options['max_redirects']--;
@@ -489,9 +491,9 @@ class Web extends Prefab {
 		$parts=parse_url($url);
 		if (empty($parts['scheme'])) {
 			// Local URL
-			$url=$fw->get('SCHEME').'://'.
-				$fw->get('HOST').
-				($url[0]!='/'?($fw->get('BASE').'/'):'').$url;
+			$url=$fw->SCHEME.'://'.$fw->HOST.
+				(in_array($fw->PORT,[80,443])?'':(':'.$fw->PORT)).
+				($url[0]!='/'?($fw->BASE.'/'):'').$url;
 			$parts=parse_url($url);
 		}
 		elseif (!preg_match('/https?/',$parts['scheme']))
@@ -544,7 +546,7 @@ class Web extends Prefab {
 			'ignore_errors'=>FALSE
 		];
 		$eol="\r\n";
-		if ($fw->get('CACHE') &&
+		if ($fw->CACHE &&
 			preg_match('/GET|HEAD/',$options['method'])) {
 			$cache=Cache::instance();
 			if ($cache->exists(
@@ -591,13 +593,13 @@ class Web extends Prefab {
 		$cache=Cache::instance();
 		$dst='';
 		if (!isset($path))
-			$path=$fw->get('UI').';./';
+			$path=$fw->UI.';./';
 		foreach ($fw->split($path,FALSE) as $dir)
 			foreach ($files as $file)
 				if (is_file($save=$fw->fixslashes($dir.$file)) &&
 					is_bool(strpos($save,'../')) &&
 					preg_match('/\.(css|js)$/i',$file)) {
-					if ($fw->get('CACHE') &&
+					if ($fw->CACHE &&
 						($cached=$cache->exists(
 							$hash=$fw->hash($save).'.'.$ext[0],$data)) &&
 						$cached[0]>filemtime($save))
@@ -692,7 +694,9 @@ class Web extends Prefab {
 									preg_match('/[\w'.($ext[0]=='css'?
 										'#\.%+\-*()\[\]':'\$').']{2}|'.
 										'[+\-]{2}/',
-										substr($data,-1).$src[$ptr+1]))
+										substr($data,-1).$src[$ptr+1]) ||
+									($ext[0]=='css' && $ptr+2<strlen($src) &&
+									preg_match('/:\w/',substr($src,$ptr+1,2))))
 									$data.=' ';
 								$ptr++;
 								continue;
@@ -700,13 +704,15 @@ class Web extends Prefab {
 							$data.=$src[$ptr];
 							$ptr++;
 						}
-						if ($fw->get('CACHE'))
+						if ($ext[0]=='css')
+							$data=str_replace(';}','}',$data);
+						if ($fw->CACHE)
 							$cache->set($hash,$data);
 						$dst.=$data;
 					}
 				}
 		if (PHP_SAPI!='cli' && $header)
-			header('Content-Type: '.$mime.'; charset='.$fw->get('ENCODING'));
+			header('Content-Type: '.$mime.'; charset='.$fw->ENCODING);
 		return $dst;
 	}
 
@@ -773,6 +779,63 @@ class Web extends Prefab {
 		return $info['timed_out']?FALSE:trim($response);
 	}
 
+	/**
+	*	Return preset diacritics translation table
+	*	@return array
+	**/
+	function diacritics() {
+		return [
+			'Ǎ'=>'A','А'=>'A','Ā'=>'A','Ă'=>'A','Ą'=>'A','Å'=>'A',
+			'Ǻ'=>'A','Ä'=>'Ae','Á'=>'A','À'=>'A','Ã'=>'A','Â'=>'A',
+			'Æ'=>'AE','Ǽ'=>'AE','Б'=>'B','Ç'=>'C','Ć'=>'C','Ĉ'=>'C',
+			'Č'=>'C','Ċ'=>'C','Ц'=>'C','Ч'=>'Ch','Ð'=>'Dj','Đ'=>'Dj',
+			'Ď'=>'Dj','Д'=>'Dj','É'=>'E','Ę'=>'E','Ё'=>'E','Ė'=>'E',
+			'Ê'=>'E','Ě'=>'E','Ē'=>'E','È'=>'E','Е'=>'E','Э'=>'E',
+			'Ë'=>'E','Ĕ'=>'E','Ф'=>'F','Г'=>'G','Ģ'=>'G','Ġ'=>'G',
+			'Ĝ'=>'G','Ğ'=>'G','Х'=>'H','Ĥ'=>'H','Ħ'=>'H','Ï'=>'I',
+			'Ĭ'=>'I','İ'=>'I','Į'=>'I','Ī'=>'I','Í'=>'I','Ì'=>'I',
+			'И'=>'I','Ǐ'=>'I','Ĩ'=>'I','Î'=>'I','IJ'=>'IJ','Ĵ'=>'J',
+			'Й'=>'J','Я'=>'Ja','Ю'=>'Ju','К'=>'K','Ķ'=>'K','Ĺ'=>'L',
+			'Л'=>'L','Ł'=>'L','Ŀ'=>'L','Ļ'=>'L','Ľ'=>'L','М'=>'M',
+			'Н'=>'N','Ń'=>'N','Ñ'=>'N','Ņ'=>'N','Ň'=>'N','Ō'=>'O',
+			'О'=>'O','Ǿ'=>'O','Ǒ'=>'O','Ơ'=>'O','Ŏ'=>'O','Ő'=>'O',
+			'Ø'=>'O','Ö'=>'Oe','Õ'=>'O','Ó'=>'O','Ò'=>'O','Ô'=>'O',
+			'Œ'=>'OE','П'=>'P','Ŗ'=>'R','Р'=>'R','Ř'=>'R','Ŕ'=>'R',
+			'Ŝ'=>'S','Ş'=>'S','Š'=>'S','Ș'=>'S','Ś'=>'S','С'=>'S',
+			'Ш'=>'Sh','Щ'=>'Shch','Ť'=>'T','Ŧ'=>'T','Ţ'=>'T','Ț'=>'T',
+			'Т'=>'T','Ů'=>'U','Ű'=>'U','Ŭ'=>'U','Ũ'=>'U','Ų'=>'U',
+			'Ū'=>'U','Ǜ'=>'U','Ǚ'=>'U','Ù'=>'U','Ú'=>'U','Ü'=>'Ue',
+			'Ǘ'=>'U','Ǖ'=>'U','У'=>'U','Ư'=>'U','Ǔ'=>'U','Û'=>'U',
+			'В'=>'V','Ŵ'=>'W','Ы'=>'Y','Ŷ'=>'Y','Ý'=>'Y','Ÿ'=>'Y',
+			'Ź'=>'Z','З'=>'Z','Ż'=>'Z','Ž'=>'Z','Ж'=>'Zh','á'=>'a',
+			'ă'=>'a','â'=>'a','à'=>'a','ā'=>'a','ǻ'=>'a','å'=>'a',
+			'ä'=>'ae','ą'=>'a','ǎ'=>'a','ã'=>'a','а'=>'a','ª'=>'a',
+			'æ'=>'ae','ǽ'=>'ae','б'=>'b','č'=>'c','ç'=>'c','ц'=>'c',
+			'ċ'=>'c','ĉ'=>'c','ć'=>'c','ч'=>'ch','ð'=>'dj','ď'=>'dj',
+			'д'=>'dj','đ'=>'dj','э'=>'e','é'=>'e','ё'=>'e','ë'=>'e',
+			'ê'=>'e','е'=>'e','ĕ'=>'e','è'=>'e','ę'=>'e','ě'=>'e',
+			'ė'=>'e','ē'=>'e','ƒ'=>'f','ф'=>'f','ġ'=>'g','ĝ'=>'g',
+			'ğ'=>'g','г'=>'g','ģ'=>'g','х'=>'h','ĥ'=>'h','ħ'=>'h',
+			'ǐ'=>'i','ĭ'=>'i','и'=>'i','ī'=>'i','ĩ'=>'i','į'=>'i',
+			'ı'=>'i','ì'=>'i','î'=>'i','í'=>'i','ï'=>'i','ij'=>'ij',
+			'ĵ'=>'j','й'=>'j','я'=>'ja','ю'=>'ju','ķ'=>'k','к'=>'k',
+			'ľ'=>'l','ł'=>'l','ŀ'=>'l','ĺ'=>'l','ļ'=>'l','л'=>'l',
+			'м'=>'m','ņ'=>'n','ñ'=>'n','ń'=>'n','н'=>'n','ň'=>'n',
+			'ʼn'=>'n','ó'=>'o','ò'=>'o','ǒ'=>'o','ő'=>'o','о'=>'o',
+			'ō'=>'o','º'=>'o','ơ'=>'o','ŏ'=>'o','ô'=>'o','ö'=>'oe',
+			'õ'=>'o','ø'=>'o','ǿ'=>'o','œ'=>'oe','п'=>'p','р'=>'r',
+			'ř'=>'r','ŕ'=>'r','ŗ'=>'r','ſ'=>'s','ŝ'=>'s','ș'=>'s',
+			'š'=>'s','ś'=>'s','с'=>'s','ş'=>'s','ш'=>'sh','щ'=>'shch',
+			'ß'=>'ss','ţ'=>'t','т'=>'t','ŧ'=>'t','ť'=>'t','ț'=>'t',
+			'у'=>'u','ǘ'=>'u','ŭ'=>'u','û'=>'u','ú'=>'u','ų'=>'u',
+			'ù'=>'u','ű'=>'u','ů'=>'u','ư'=>'u','ū'=>'u','ǚ'=>'u',
+			'ǜ'=>'u','ǔ'=>'u','ǖ'=>'u','ũ'=>'u','ü'=>'ue','в'=>'v',
+			'ŵ'=>'w','ы'=>'y','ÿ'=>'y','ý'=>'y','ŷ'=>'y','ź'=>'z',
+			'ž'=>'z','з'=>'z','ż'=>'z','ж'=>'zh','ь'=>'','ъ'=>'',
+			'\''=>'',
+		];
+	}
+
 	/**
 	*	Return a URL/filesystem-friendly version of string
 	*	@return string
@@ -780,56 +843,7 @@ class Web extends Prefab {
 	**/
 	function slug($text) {
 		return trim(strtolower(preg_replace('/([^\pL\pN])+/u','-',
-			trim(strtr(str_replace('\'','',$text),
-			[
-				'Ǎ'=>'A','А'=>'A','Ā'=>'A','Ă'=>'A','Ą'=>'A','Å'=>'A',
-				'Ǻ'=>'A','Ä'=>'Ae','Á'=>'A','À'=>'A','Ã'=>'A','Â'=>'A',
-				'Æ'=>'AE','Ǽ'=>'AE','Б'=>'B','Ç'=>'C','Ć'=>'C','Ĉ'=>'C',
-				'Č'=>'C','Ċ'=>'C','Ц'=>'C','Ч'=>'Ch','Ð'=>'Dj','Đ'=>'Dj',
-				'Ď'=>'Dj','Д'=>'Dj','É'=>'E','Ę'=>'E','Ё'=>'E','Ė'=>'E',
-				'Ê'=>'E','Ě'=>'E','Ē'=>'E','È'=>'E','Е'=>'E','Э'=>'E',
-				'Ë'=>'E','Ĕ'=>'E','Ф'=>'F','Г'=>'G','Ģ'=>'G','Ġ'=>'G',
-				'Ĝ'=>'G','Ğ'=>'G','Х'=>'H','Ĥ'=>'H','Ħ'=>'H','Ï'=>'I',
-				'Ĭ'=>'I','İ'=>'I','Į'=>'I','Ī'=>'I','Í'=>'I','Ì'=>'I',
-				'И'=>'I','Ǐ'=>'I','Ĩ'=>'I','Î'=>'I','IJ'=>'IJ','Ĵ'=>'J',
-				'Й'=>'J','Я'=>'Ja','Ю'=>'Ju','К'=>'K','Ķ'=>'K','Ĺ'=>'L',
-				'Л'=>'L','Ł'=>'L','Ŀ'=>'L','Ļ'=>'L','Ľ'=>'L','М'=>'M',
-				'Н'=>'N','Ń'=>'N','Ñ'=>'N','Ņ'=>'N','Ň'=>'N','Ō'=>'O',
-				'О'=>'O','Ǿ'=>'O','Ǒ'=>'O','Ơ'=>'O','Ŏ'=>'O','Ő'=>'O',
-				'Ø'=>'O','Ö'=>'Oe','Õ'=>'O','Ó'=>'O','Ò'=>'O','Ô'=>'O',
-				'Œ'=>'OE','П'=>'P','Ŗ'=>'R','Р'=>'R','Ř'=>'R','Ŕ'=>'R',
-				'Ŝ'=>'S','Ş'=>'S','Š'=>'S','Ș'=>'S','Ś'=>'S','С'=>'S',
-				'Ш'=>'Sh','Щ'=>'Shch','Ť'=>'T','Ŧ'=>'T','Ţ'=>'T','Ț'=>'T',
-				'Т'=>'T','Ů'=>'U','Ű'=>'U','Ŭ'=>'U','Ũ'=>'U','Ų'=>'U',
-				'Ū'=>'U','Ǜ'=>'U','Ǚ'=>'U','Ù'=>'U','Ú'=>'U','Ü'=>'Ue',
-				'Ǘ'=>'U','Ǖ'=>'U','У'=>'U','Ư'=>'U','Ǔ'=>'U','Û'=>'U',
-				'В'=>'V','Ŵ'=>'W','Ы'=>'Y','Ŷ'=>'Y','Ý'=>'Y','Ÿ'=>'Y',
-				'Ź'=>'Z','З'=>'Z','Ż'=>'Z','Ž'=>'Z','Ж'=>'Zh','á'=>'a',
-				'ă'=>'a','â'=>'a','à'=>'a','ā'=>'a','ǻ'=>'a','å'=>'a',
-				'ä'=>'ae','ą'=>'a','ǎ'=>'a','ã'=>'a','а'=>'a','ª'=>'a',
-				'æ'=>'ae','ǽ'=>'ae','б'=>'b','č'=>'c','ç'=>'c','ц'=>'c',
-				'ċ'=>'c','ĉ'=>'c','ć'=>'c','ч'=>'ch','ð'=>'dj','ď'=>'dj',
-				'д'=>'dj','đ'=>'dj','э'=>'e','é'=>'e','ё'=>'e','ë'=>'e',
-				'ê'=>'e','е'=>'e','ĕ'=>'e','è'=>'e','ę'=>'e','ě'=>'e',
-				'ė'=>'e','ē'=>'e','ƒ'=>'f','ф'=>'f','ġ'=>'g','ĝ'=>'g',
-				'ğ'=>'g','г'=>'g','ģ'=>'g','х'=>'h','ĥ'=>'h','ħ'=>'h',
-				'ǐ'=>'i','ĭ'=>'i','и'=>'i','ī'=>'i','ĩ'=>'i','į'=>'i',
-				'ı'=>'i','ì'=>'i','î'=>'i','í'=>'i','ï'=>'i','ij'=>'ij',
-				'ĵ'=>'j','й'=>'j','я'=>'ja','ю'=>'ju','ķ'=>'k','к'=>'k',
-				'ľ'=>'l','ł'=>'l','ŀ'=>'l','ĺ'=>'l','ļ'=>'l','л'=>'l',
-				'м'=>'m','ņ'=>'n','ñ'=>'n','ń'=>'n','н'=>'n','ň'=>'n',
-				'ʼn'=>'n','ó'=>'o','ò'=>'o','ǒ'=>'o','ő'=>'o','о'=>'o',
-				'ō'=>'o','º'=>'o','ơ'=>'o','ŏ'=>'o','ô'=>'o','ö'=>'oe',
-				'õ'=>'o','ø'=>'o','ǿ'=>'o','œ'=>'oe','п'=>'p','р'=>'r',
-				'ř'=>'r','ŕ'=>'r','ŗ'=>'r','ſ'=>'s','ŝ'=>'s','ș'=>'s',
-				'š'=>'s','ś'=>'s','с'=>'s','ş'=>'s','ш'=>'sh','щ'=>'shch',
-				'ß'=>'ss','ţ'=>'t','т'=>'t','ŧ'=>'t','ť'=>'t','ț'=>'t',
-				'у'=>'u','ǘ'=>'u','ŭ'=>'u','û'=>'u','ú'=>'u','ų'=>'u',
-				'ù'=>'u','ű'=>'u','ů'=>'u','ư'=>'u','ū'=>'u','ǚ'=>'u',
-				'ǜ'=>'u','ǔ'=>'u','ǖ'=>'u','ũ'=>'u','ü'=>'ue','в'=>'v',
-				'ŵ'=>'w','ы'=>'y','ÿ'=>'y','ý'=>'y','ŷ'=>'y','ź'=>'z',
-				'ž'=>'z','з'=>'z','ż'=>'z','ж'=>'zh','ь'=>'','ъ'=>''
-			]+Base::instance()->get('DIACRITICS'))))),'-');
+			trim(strtr($text,Base::instance()->DIACRITICS+$this->diacritics())))),'-');
 	}
 
 	/**
@@ -881,9 +895,9 @@ if (!function_exists('gzdecode')) {
 	**/
 	function gzdecode($str) {
 		$fw=Base::instance();
-		if (!is_dir($tmp=$fw->get('TEMP')))
+		if (!is_dir($tmp=$fw->TEMP))
 			mkdir($tmp,Base::MODE,TRUE);
-		file_put_contents($file=$tmp.'/'.$fw->get('SEED').'.'.
+		file_put_contents($file=$tmp.'/'.$fw->SEED.'.'.
 			$fw->hash(uniqid(NULL,TRUE)).'.gz',$str,LOCK_EX);
 		ob_start();
 		readgzfile($file);
diff --git a/app/lib/web/geo.php b/app/lib/web/geo.php
index d7cb9cba..c669024d 100644
--- a/app/lib/web/geo.php
+++ b/app/lib/web/geo.php
@@ -55,7 +55,7 @@ class Geo extends \Prefab {
 		$fw=\Base::instance();
 		$web=\Web::instance();
 		if (!$ip)
-			$ip=$fw->get('IP');
+			$ip=$fw->IP;
 		$public=filter_var($ip,FILTER_VALIDATE_IP,
 			FILTER_FLAG_IPV4|FILTER_FLAG_IPV6|
 			FILTER_FLAG_NO_RES_RANGE|FILTER_FLAG_NO_PRIV_RANGE);
diff --git a/app/lib/web/google/recaptcha.php b/app/lib/web/google/recaptcha.php
new file mode 100644
index 00000000..9c32979c
--- /dev/null
+++ b/app/lib/web/google/recaptcha.php
@@ -0,0 +1,58 @@
+<?php
+
+/*
+
+	Copyright (c) 2009-2017 F3::Factory/Bong Cosca, All rights reserved.
+
+	This file is part of the Fat-Free Framework (http://fatfreeframework.com).
+
+	This is free software: you can redistribute it and/or modify it under the
+	terms of the GNU General Public License as published by the Free Software
+	Foundation, either version 3 of the License, or later.
+
+	Fat-Free Framework is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+	General Public License for more details.
+
+	You should have received a copy of the GNU General Public License along
+	with Fat-Free Framework.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+namespace Web\Google;
+
+//! Google ReCAPTCHA v2 plug-in
+class Recaptcha {
+
+	const
+		//! API URL
+		URL_Recaptcha='https://www.google.com/recaptcha/api/siteverify';
+
+	/**
+	 *	Verify reCAPTCHA response
+	 *	@param string $secret
+	 *	@param string $response
+	 *	@return bool
+	 **/
+	static function verify($secret,$response=NULL) {
+		$fw=\Base::instance();
+		if (!isset($response))
+			$response=$fw->{'POST.g-recaptcha-response'};
+		if (!$response)
+			return FALSE;
+		$web=\Web::instance();
+		$out=$web->request(self::URL_Recaptcha,[
+			'method'=>'POST',
+			'content'=>http_build_query([
+				'secret'=>$secret,
+				'response'=>$response,
+				'remoteip'=>$fw->IP
+			]),
+		]);
+		return isset($out['body']) &&
+			($json=json_decode($out['body'],TRUE)) &&
+			isset($json['success']) && $json['success'];
+	}
+
+}
diff --git a/app/lib/web/oauth2.php b/app/lib/web/oauth2.php
index 5bf4dcb8..916674f8 100644
--- a/app/lib/web/oauth2.php
+++ b/app/lib/web/oauth2.php
@@ -63,7 +63,7 @@ class OAuth2 extends \Magic {
 			);
 		$response=$web->request($uri,$options);
 		if ($response['error'])
-			user_error($response['error']);
+			user_error($response['error'],E_USER_ERROR);
 		return $response['body'] &&
 			preg_grep('/HTTP\/1\.\d 200/',$response['headers'])?
 			json_decode($response['body'],TRUE):
diff --git a/app/lib/web/openid.php b/app/lib/web/openid.php
index d19ff6a9..435d89ca 100644
--- a/app/lib/web/openid.php
+++ b/app/lib/web/openid.php
@@ -143,9 +143,9 @@ class OpenID extends \Magic {
 	**/
 	function auth($proxy=NULL,$attr=[],array $reqd=NULL) {
 		$fw=\Base::instance();
-		$root=$fw->get('SCHEME').'://'.$fw->get('HOST');
+		$root=$fw->SCHEME.'://'.$fw->HOST;
 		if (empty($this->args['trust_root']))
-			$this->args['trust_root']=$root.$fw->get('BASE').'/';
+			$this->args['trust_root']=$root.$fw->BASE.'/';
 		if (empty($this->args['return_to']))
 			$this->args['return_to']=$root.$_SERVER['REQUEST_URI'];
 		$this->args['mode']='checkid_setup';
diff --git a/app/lib/web/pingback.php b/app/lib/web/pingback.php
index a9fca95b..a68430ca 100644
--- a/app/lib/web/pingback.php
+++ b/app/lib/web/pingback.php
@@ -66,9 +66,9 @@ class Pingback extends \Prefab {
 		$web=\Web::instance();
 		$parts=parse_url($source);
 		if (empty($parts['scheme']) || empty($parts['host']) ||
-			$parts['host']==$fw->get('HOST')) {
+			$parts['host']==$fw->HOST) {
 			$req=$web->request($source);
-			$doc=new \DOMDocument('1.0',$fw->get('ENCODING'));
+			$doc=new \DOMDocument('1.0',$fw->ENCODING);
 			$doc->stricterrorchecking=FALSE;
 			$doc->recover=TRUE;
 			if (@$doc->loadhtml($req['body'])) {
@@ -85,7 +85,7 @@ class Pingback extends \Prefab {
 								'content'=>xmlrpc_encode_request(
 									'pingback.ping',
 									[$source,$permalink],
-									['encoding'=>$fw->get('ENCODING')]
+									['encoding'=>$fw->ENCODING]
 								)
 							]
 						);
@@ -110,29 +110,29 @@ class Pingback extends \Prefab {
 	function listen($func,$path=NULL) {
 		$fw=\Base::instance();
 		if (PHP_SAPI!='cli') {
-			header('X-Powered-By: '.$fw->get('PACKAGE'));
+			header('X-Powered-By: '.$fw->PACKAGE);
 			header('Content-Type: application/xml; '.
-				'charset='.$charset=$fw->get('ENCODING'));
+				'charset='.$charset=$fw->ENCODING);
 		}
 		if (!$path)
-			$path=$fw->get('BASE');
+			$path=$fw->BASE;
 		$web=\Web::instance();
-		$args=xmlrpc_decode_request($fw->get('BODY'),$method,$charset);
+		$args=xmlrpc_decode_request($fw->BODY,$method,$charset);
 		$options=['encoding'=>$charset];
 		if ($method=='pingback.ping' && isset($args[0],$args[1])) {
 			list($source,$permalink)=$args;
-			$doc=new \DOMDocument('1.0',$fw->get('ENCODING'));
+			$doc=new \DOMDocument('1.0',$fw->ENCODING);
 			// Check local page if pingback-enabled
 			$parts=parse_url($permalink);
 			if ((empty($parts['scheme']) ||
-				$parts['host']==$fw->get('HOST')) &&
+				$parts['host']==$fw->HOST) &&
 				preg_match('/^'.preg_quote($path,'/').'/'.
-					($fw->get('CASELESS')?'i':''),$parts['path']) &&
+					($fw->CASELESS?'i':''),$parts['path']) &&
 				$this->enabled($permalink)) {
 				// Check source
 				$parts=parse_url($source);
 				if ((empty($parts['scheme']) ||
-					$parts['host']==$fw->get('HOST')) &&
+					$parts['host']==$fw->HOST) &&
 					($req=$web->request($source)) &&
 					$doc->loadhtml($req['body'])) {
 					$links=$doc->getelementsbytagname('a');